Easychm4u

Learn Chemistry, The Easy Way

10th Chemistry

Reference Books : National Book Foundation, KPK & Balochistan Text Book

Class 10 Chemistry notes according to latest FBISE syllabus following 2006 Curriculum. Contains detailed video lectures, solved exercises, review questions, MCQs, pdf notes and past board papers solution.

FBISE Past Papers Objectives
Explanation Videos
FBISE Past Paper # 2026-1st Annual -Evening Paper (Local)
3

FBISE-10th-2026-1st Annual-Evening Paper Objectives (Local area)

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Complete the given equation:

2 / 12

2) Which fuel is commonly blended with petrol to reduce emissions?

3 / 12

3) Which method is used to  prepare a soluble salt from an acid and an alkali?

4 / 12

4) 1 dm3 =

5 / 12

5) Which half reaction shows reduction?

6 / 12

6) When preparing a salt using an excess metal, the excess metal is removed by:

7 / 12

7) Which catalyst is used in the given reaction? 

8 / 12

8) In an electrolytic cell, the anode is:

9 / 12

9) On a rate of reaction graph, a steeper slope (for gradient) indicates:

10 / 12

10) Which of the following salts is soluble in water?

11 / 12

11) In sublimation substance changes directly from:

12 / 12

12) Which physical parameter increases when an exothermic reaction occurs rapidly?

Your score is

0%

FBISE Past Paper # 2025-Local Area Paper
23

10th-FBISE- 2025-Local Area-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Halogenation of methane in diffused sunlight does NOT produce:

2 / 12

2) Which gas is widely used for welding and cutting metals?

3 / 12

3) The envelope of gases and water vapours surrounding the planet earth is called:

4 / 12

4) Identify the Arrhenius base:

5 / 12

5) In Solvay’s process, which two chemicals are dissolved in water to form ammonical brine?

6 / 12

6) Proteins are essential for the formation of:

7 / 12

7) Which statement about water is correct?

8 / 12

8) Seperation of minerals from gangue by some physical method is called:

9 / 12

9) Which of the following can behave both as Bronsted acid or Bronsted base?

10 / 12

10) The correct equilibrium constant expression for the given reaction:

2A + B  ⇌ 3C

11 / 12

11) Which of the following is an air pollutant?

12 / 12

12) Concentration of reactants and products in moles.dm-3 in a dilute solution represents:

Your score is

0%

FBISE Past Paper # 2025-Hard Area Paper
12

10th-FBISE- 2025-Hard Area-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Which statement about water is wrong?

2 / 12

2) Which of the following can behave both as Bronsted acid and Bronsted base?

3 / 12

3) The correct equilibrium expression for the given reaction is:

2CO + O2  ⇌  2CO2

4 / 12

4) Halogenation of methane in direct sunlight produces:

5 / 12

5) During metallurgy, which step is used in the concentration process of metals?

6 / 12

6) Concentration of reactants and products in moels.dm-3 in a dilute solution represents:

7 / 12

7) The envelope of gases and water vapours surrounding the planet earth is called:

8 / 12

8) Which of the following is an air pollutant?

9 / 12

9) Which compound is used as an antiseptic in hospital operating rooms?

10 / 12

10) Fats and oils are used to manufacture:

11 / 12

11) Identify Arrhenius acid from the following:

12 / 12

12) In Solvay process, which gas is obtained by heating NaHCO3?

Your score is

0%

FBISE Past Paper # 2016-1
65

FBISE- 2016-1-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Which of the following reactions will not have any units for Kc?

2 / 12

2) Formic acid contains functional group?

3 / 12

3) Stem “But” stands for how many carbon atoms?

4 / 12

4) Which human activity results in contamination of water bodies?

5 / 12

5) In the following reaction which substance is donating an electron pair?

NH3 + BF3 → H3N-BF3

6 / 12

6) Which of the following is not the macroscopic characteristic of forward reaction?

7 / 12

7) By dehydration, we mean the removal of:

8 / 12

8) Raffinose (C18H32O16) is a:

9 / 12

9) Which process produces an alkane?

10 / 12

10) Chalcopyrite is the ore of:

11 / 12

11) Highest temperature in Mesosphere is:

12 / 12

12) What is the particular pH range at which potatoes grow?

Your score is

0%

FBISE Past Paper # 2016-2
41

FBISE- 2016-2-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) NH3 can not be classified as a base by:

2 / 12

2) Which gas has lowest percentage in the air?

3 / 12

3) Which is not a dextrose sugar?

4 / 12

4) Which of the following is not a water born disease?

5 / 12

5) Which is used for dehydrohalogenation of Alkyl halides?

6 / 12

6) Which compound is not a saturated hydrocarbon?

7 / 12

7) Which of the following is a Lewis base?

8 / 12

8) What are the units for :

N2 + O2  ⇌ 2NO 

9 / 12

9) Which is an alcohol?

10 / 12

10) Which product is obtained when chloromethane is reduced?

11 / 12

11) The formula of Halite is:

12 / 12

12) A double arrow (⇌ ) indicates:

Your score is

0%

FBISE Past Paper # 2016-Supply paper
0

FBISE-10th-2016-Supply Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Compound of ……………………. help to ensure antiseptic conditions in hospitals operating rooms.

2 / 12

2) ……………………… is used to make liquid soap and shaving cream.

3 / 12

3) Which product is obtained when chloromethane (or methyl chloride) is reduced?

4 / 12

4) In the following reaction, which specie is donating an electron pair?

NH3 + BF3 → H3N-BF3

 

5 / 12

5) In an irreversible reaction equilibrium is:

6 / 12

6) Which of the following is a Lewis Base?

7 / 12

7) Raffinose C18H36O16 on hydrolysis forms ……………………… simple sugars.

8 / 12

8) Galena is the ore of ………………….. metal.

9 / 12

9) …………………… is used to manufacture urea fertilizer.

10 / 12

10) Formic acid contains functional group:

11 / 12

11) ……………………. causes breathing difficulties, asthma and eye irritation.

12 / 12

12) Which of the following is used to remove permanent hardness in water?

Your score is

0%

FBISE Past Paper # 2017-1
80

FBISE- 2017-1-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Ice floats over liquid water because:

2 / 12

2) Kw is called ionization constant of water. Its value can be obtained by:

3 / 12

3) By dehydration we mean the removal of:

4 / 12

4) Which of the following is evolved during ripening of fruits and vegetables:

5 / 12

5) For a general reaction 2A + B ⇌ 2 C + D

The rate of forward reaction will be equal to:

6 / 12

6) Marble buildings and statues are destroyed by acid rain due to reaction of sulphuric acid:

7 / 12

7) Which scientist proposed the law of mass action?

8 / 12

8) If an alkane is having 5 carbon atoms then the number of hydrogen atoms in this alkane will be:

9 / 12

9) n-Pentane, iso-Pentane and neo-Pentane are having different:

10 / 12

10) Ultraviolet radiation are absorbed by ozone in the stratosphere, that is why:

11 / 12

11) At equilibrium state of a reversible reaction:

12 / 12

12) The gastric juice has pH = 1. It means a:

Your score is

0%

FBISE Past Paper # 2017-2
34

FBISE- 2017-2-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) On boiling temporary hard water, the substance which is settled down is:

2 / 12

2) The emission of CO, NO and unburned hydrocarbons can can be reduced by using:

3 / 12

3) Which of the following is an ore of Aluminium?

4 / 12

4) For a reversible reaction, Kc = [C]2 / [A][B]

The correct equation for above reaction is:

5 / 12

5) The given functional group is found in:

6 / 12

6) Which of the following substance reacts with KMnO4 to produce ethyleneglycol?

7 / 12

7) The pH of Lemon juice is 2. The H+ ion concentration [H]+ in the Lemon juice is:

8 / 12

8) Addition of hydrogen in the vegetable oil is due to presence of:

9 / 12

9) Which of the following is a heterocyclic compound?

10 / 12

10) Reduction of ethyl chloride (C2H5OH) produces:

11 / 12

11) What happens when ammonium carbamate is distilled with steam?

12 / 12

12) Which of the following is used as Antacid?

Your score is

0%

FBISE Past Paper # 2018-1
109

FBISE- 2018-1-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Which of the following is a Lewis base?

2 / 12

2) Which of the following reacts with concentrated alkaline KMnO4 to produce oxalic acid?

3 / 12

3) Which of the following is used as domestic fuel?

4 / 12

4) Which of the following layers contains ozone gas?

5 / 12

5) In an irreversible reaction, equilibrium is:

6 / 12

6) Which of the following is a heterocyclic compound?

7 / 12

7) Formic acid contains functional group?

8 / 12

8) Plants convert glucose into:

9 / 12

9) Which of the following is not a waterborne disease?

10 / 12

10) Most of air pollution is caused by:

11 / 12

11) Which of the following is used as raw materials for preparation of urea?

12 / 12

12) What is the colour of phenolphthalein in acidic medium?

Your score is

0%

FBISE Past Paper # 2018-2
93

FBISE- 2018-2-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Which of the following is not source of starch?

2 / 12

2) Which of the following is used for dehydrohalogenation of alkyl halides?

3 / 12

3) Which of the following does not happen, when a system is at equilibrium state?

4 / 12

4) In which of the following compounds, oxygen is attached to two alkyl groups?

5 / 12

5) Which of the following is used for ripening of fruits?

6 / 12

6) The density of water is maximum at:

7 / 12

7) Which of the following cannot be classified as Arrhenius acid?

8 / 12

8) Which of the following is used as raw material for Solvay process?

9 / 12

9) Which of the following is responsible for acid rain?

10 / 12

10) What is the colour of methyl red in basic solution?

11 / 12

11) Which of the following is a homocyclic compound?

12 / 12

12) Which of the following causes brain damage in children?

Your score is

0%

FBISE Past Paper # 2018-Supply
48

FBISE- 2018-Supply-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) ………………… is used for artificial ripening of fruits.

2 / 12

2) Chemical formula of slaked lime is:

3 / 12

3) In which of the following hydrocarbons, oxygen is attached to two alkyl groups?

4 / 12

4) …………………. is used to make rectified spirit by fermentation process:

5 / 12

5) At what pH does Phenolphthalein change colour?

6 / 12

6) The reduction of alkyl halides takes place in the presence of:

7 / 12

7) Which of the following acids is used in the manufacturing of many chemicals, drugs, dye, paints and explosives?

8 / 12

8) What is the unit of equilibrium constant for:

N2 + O2  ⇌ 2NO2

9 / 12

9) Which process produces an alkane?

10 / 12

10) The atmospheric layer that has the temperature of -5 °C to -93 °C is:

11 / 12

11) For a reversible reaction, Kc = [HI]2 / [H2][I2]

Which substance is the product of the reaction?

12 / 12

12) Raffinose (C18H32O16) is a:

Your score is

0%

FBISE Past Paper # 2019-1
81

FBISE- 2019-1-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Chemical formula of ammonium carbamate is:

2 / 12

2) Which of the following is an aldehyde?

3 / 12

3) Fehling’s solution is used to determine the presence of:

4 / 12

4) Identify the molecule produced, when electrical discharges pass through the oxygen in air:

5 / 12

5) Each DNA nucleotide consists of:

6 / 12

6) The substance which fight against diseases in living organisms are:

7 / 12

7) What are the units of Kc for N2 + O2  ⇌ 2NO2 ?

8 / 12

8) What will happen if [OH-] increases?

9 / 12

9) Raffinose produces ……………………. units of simple sugars when hydrolyzed.

10 / 12

10) Which of the following is a Lewis acid?

11 / 12

11) Which of the following process is reduction in nature?

12 / 12

12) Permanent harness of water can be removed by:

Your score is

0%

FBISE Past Paper # 2019-2
66

FBISE- 2019-2-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) The word Vitamin was first used by:

2 / 12

2) A drain cleaner contains 1.0 x 10⁻⁸ M, OH- concentration, this solution is:

3 / 12

3) The volumetric ratio of hydrogen and oxygen in water is:

4 / 12

4) Which compound has two halogen atoms on adjacent carbon atoms?

5 / 12

5) Percentage of nitrogen in urea is:

6 / 12

6) Halite is an ore of:

7 / 12

7) In the given reaction which species is donating an electron pair?

NH3 + BF3 → H3N-BF3

8 / 12

8) The linkage which joins two amino acid units is called:

9 / 12

9) Formic acid contains …………………. functional group.

10 / 12

10) Identify the compound responsible for acid rain:

11 / 12

11) For which reaction, Kc has NO units?

12 / 12

12) Baeyer’s test is used to detect the presence of:

Your score is

0%

FBISE Past Paper # 2022-Local Area
86

FBISE- 2022-Local Area-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Glucose is a Hydrocarbon (C6H12O6). Identify glucose from the following.

2 / 12

2) Unsaturated hydrocarbons undergo Bromination. Which of the following will undergo water bromination test?

3 / 12

3) One molecule of H2O produces one H+ ion and one OH- ion on dissociation. Pick the correct option.

4 / 12

4) A solution contains 1.0 x 10-7 M, [OH-] concentration. This solution is:

5 / 12

5) Which of the following is a Lewis Base?

6 / 12

6) Predict the unit of Kc for the following given reversible reactions.

2 SO2 + O2 ⇌  2SO3

Kc = [SO3]2 / [SO2]2 [O2]

7 / 12

7) Lowest temperature in stratosphere is:

8 / 12

8) Which of the following is a reddish brown gas?

9 / 12

9) …………………… is one of the petroleum fractions.

10 / 12

10) ………………………. is used as a catalyst added to prepare propane according to the following equation.

CH3-CH=CH2  +  H2 → CH3-CH2-CH3

11 / 12

11) …………………… is the formula of urea.

12 / 12

12) Dehydrohalogenation means the removal of:

Your score is

0%

FBISE Past Paper # 2022-Hard Area
102

FBISE- 2022-Hard Area-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Peptide linkage is present in:

2 / 12

2) Predict the unit of Kc for the given reaction:

3 / 12

3) Which of the following has general formula R-O-R?

4 / 12

4) HCl is an acid. Identify the reason from the following:

5 / 12

5) Slaked lime is used in Solvay process. What is slaked lime?

6 / 12

6) Identify the product in the given chemical reaction:

7 / 12

7) The pH of given solution is:

8 / 12

8) Atmosphere is composed of………………….. layers:

9 / 12

9) Unsaturated hydrocarbons have multiple Carbon-Carbon bonds. Which of the following is an unsaturated hydrocarbon?

10 / 12

10) Slag is obtained as impurity in the metallurgical processes. Identify slag from the following:

11 / 12

11) According to the Lewis concept, which of the following is an electron pair donor?

12 / 12

12) Which of the following is a secondary pollutant?

Your score is

0%

FBISE Past Paper # 2023-1
86

FBISE- 2023-1-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Which of the following gases is used to destroy harmful bacteria in water?

2 / 12

2) A reaction in which products react together to reform the original reactants is called:

3 / 12

3) 1 Kilogram of water will occupy minimum space at:

4 / 12

4) Which of the following organic compounds is found in gasoline (Petrol)?

5 / 12

5) Which of the following is an aldehyde?

6 / 12

6) In an aqueous solution of hydrochloric acid the concentration of H+ ion is 1×10-4 mol.dm-3. This solution is:

7 / 12

7) Identify the monosaccharide from the following carbohydrates:

8 / 12

8) In organic chemistry, the term dehydrohalogenation means:

9 / 12

9) The lowest temperature in the stratosphere is:

10 / 12

10) Predict the unit of Kc for the following  reversible reaction:

N2O4 ⇌  2 NO2

11 / 12

11) IUPAC name of C8H18 is:

12 / 12

12) In a homologous series, two adjacent compounds differ by:

Your score is

0%

FBISE Past Paper # 2023-2
73

FBISE- 2023-2-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) The following chemical equation represents:

H2O ⇌ H+1  +   OH-1

2 / 12

2) The atmosphere is an envelop of:

3 / 12

3) Identify the organic compound in the following molecule:

4 / 12

4) Predict the unit of equilibrium constant KC for the following reaction:

2ICl ⇌ I2 + Cl2

5 / 12

5) Urea contains …………………….. percentage of nitrogen:

6 / 12

6) Identify Lewis base from the following:

7 / 12

7) Dark brownish viscous liquid (Petroleum) is formed underground due to:

8 / 12

8) The chemical method used to recognize chemical equilibrium state is called:

9 / 12

9) Select the name of following alkyl radical:

10 / 12

10) ………………… is a good source of protein.

11 / 12

11) The purpose of using Hoffmann Voltmeter as shown in the figure is:

12 / 12

12) Water is used as an excellent cooler (coolent) in industries because of its:

Your score is

0%

FBISE Past Paper # 2024-1
94

FBISE- 2024-1-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) The pH of acid rain is less than:

2 / 12

2) Oil detergent is used to concentrate a metallic ore in:

3 / 12

3) In given expression, what is the product?

4 / 12

4) The density of water is maximum at:

5 / 12

5) Complete the reaction:

H2CO3 + 2NaOH → …………………..+ 2H2O

6 / 12

6) One ozone molecule has …………………………… number of oxygen atoms.

7 / 12

7) The percentage of Nitrogen in the air is:

8 / 12

8) The soap forms scum with:

9 / 12

9) The reduction of alkyl halides takes place in the presence of:

10 / 12

10) The functional group of aldehyde is:

11 / 12

11) Percentage of Nitrogen in urea is:

12 / 12

12) Molecules of amino acids join to form a protein by eliminating………………………… molecule.

Your score is

0%

FBISE Past Paper # 2024-2
97

FBISE- 2024-2-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) Stem “But-” represents ……………. number f carbon atoms.

2 / 12

2) Ozone is an allotropic form of:

3 / 12

3) Which gas has highest percentage in the air?

4 / 12

4) Complete the reaction:

AgNO3 + NaCl → ………………….+ NaNO3

5 / 12

5) In electrolytic refining of copper, ……………………… is used as anode called:

6 / 12

6) If peptide has amino group on left, then ………………….. group will be on the right side:

7 / 12

7) Methane reacts with explosion with:

8 / 12

8) The naturally occurring metallurgical compounds are:

9 / 12

9) The pH of acid rain is less than:

10 / 12

10) Percentage of Sodium chloride in sea water:

11 / 12

11) Which water causes kettle (pots) to fur?

12 / 12

12) For given reaction Kc = ?

P + Q ⇌ R + S

Your score is

0%

FBISE Past Paper # 2024-2nd Annual
105

FBISE- 2024-2nd Annual-Objectives

Total 12 MCQs

Evaluate your concepts

Boost your confidence for final board exams

Keep practicing

1 / 12

1) The name of CH3(CH2)2CH3 is:

2 / 12

2) Select the Arrhenius acid-base pair from the following:

3 / 12

3) The correct equilibrium constant expression for the following reaction is:

N2 + 3H2 ⇌ 2NH3

4 / 12

4) Identify the functional group in the following molecules:

5 / 12

5) Two molecules of amino acids join to form a bond called as:

6 / 12

6) In which process, urea in soil is converted into ammonium carbamate?

7 / 12

7) Dehydrohalogenation of alkyl halides gives:

8 / 12

8) Titration is used to recognize the reaction for:

9 / 12

9) Which gas is widely available in fuel cylinders?

10 / 12

10) Atmosphere is an envelope of:

11 / 12

11) Select Lewis acid from the following:

12 / 12

12) Petroleum is thick dark liquid composed mostly of:

Your score is

0%

Facebook Instagram

Privacy Policy