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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 # 2025-Local Area Paper
21

10th-FBISE- 2025-Local Area-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

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

3 / 12

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

4 / 12

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

2A + B  ⇌ 3C

5 / 12

5) Which statement about water is correct?

6 / 12

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

7 / 12

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

8 / 12

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

9 / 12

9) Identify the Arrhenius base:

10 / 12

10) Which of the following is an air pollutant?

11 / 12

11) Proteins are essential for the formation of:

12 / 12

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

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FBISE Past Paper # 2025-Hard Area Paper
12

10th-FBISE- 2025-Hard Area-Objectives

Total 12 MCQs

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1 / 12

1) Which statement about water is wrong?

2 / 12

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

3 / 12

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

4 / 12

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

2CO + O2  ⇌  2CO2

5 / 12

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

6 / 12

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

7 / 12

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

8 / 12

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

9 / 12

9) Which of the following is an air pollutant?

10 / 12

10) Halogenation of methane in direct sunlight produces:

11 / 12

11) Fats and oils are used to manufacture:

12 / 12

12) Identify Arrhenius acid from the following:

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FBISE Past Paper # 2016-1
64

FBISE- 2016-1-Objectives

Total 12 MCQs

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1 / 12

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

NH3 + BF3 → H3N-BF3

2 / 12

2) Raffinose (C18H32O16) is a:

3 / 12

3) Which process produces an alkane?

4 / 12

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

5 / 12

5) Highest temperature in Mesosphere is:

6 / 12

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

7 / 12

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

8 / 12

8) By dehydration, we mean the removal of:

9 / 12

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

10 / 12

10) Formic acid contains functional group?

11 / 12

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

12 / 12

12) Chalcopyrite is the ore of:

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FBISE Past Paper # 2016-2
41

FBISE- 2016-2-Objectives

Total 12 MCQs

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1 / 12

1) A double arrow (⇌ ) indicates:

2 / 12

2) Which compound is not a saturated hydrocarbon?

3 / 12

3) The formula of Halite is:

4 / 12

4) Which is used for dehydrohalogenation of Alkyl halides?

5 / 12

5) Which product is obtained when chloromethane is reduced?

6 / 12

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

7 / 12

7) Which gas has lowest percentage in the air?

8 / 12

8) Which of the following is a Lewis base?

9 / 12

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

10 / 12

10) Which is an alcohol?

11 / 12

11) Which is not a dextrose sugar?

12 / 12

12) What are the units for :

N2 + O2  ⇌ 2NO 

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FBISE Past Paper # 2016-Supply paper
0

FBISE-10th-2016-Supply Objectives

Total 12 MCQs

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1 / 12

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

NH3 + BF3 → H3N-BF3

 

2 / 12

2) Which of the following is a Lewis Base?

3 / 12

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

4 / 12

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

5 / 12

5) Formic acid contains functional group:

6 / 12

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

7 / 12

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

8 / 12

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

9 / 12

9) In an irreversible reaction equilibrium is:

10 / 12

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

11 / 12

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

12 / 12

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

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FBISE Past Paper # 2017-1
80

FBISE- 2017-1-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

2) Which scientist proposed the law of mass action?

3 / 12

3) Ice floats over liquid water because:

4 / 12

4) At equilibrium state of a reversible reaction:

5 / 12

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

6 / 12

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

The rate of forward reaction will be equal to:

7 / 12

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

8 / 12

8) By dehydration we mean the removal of:

9 / 12

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

10 / 12

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

11 / 12

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

12 / 12

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

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FBISE Past Paper # 2017-2
34

FBISE- 2017-2-Objectives

Total 12 MCQs

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1 / 12

1) Which of the following is used as Antacid?

2 / 12

2) The given functional group is found in:

3 / 12

3) Which of the following is a heterocyclic compound?

4 / 12

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

5 / 12

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

6 / 12

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

7 / 12

7) Reduction of ethyl chloride (C2H5OH) produces:

8 / 12

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

9 / 12

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

10 / 12

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

11 / 12

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

12 / 12

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

The correct equation for above reaction is:

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FBISE Past Paper # 2018-1
109

FBISE- 2018-1-Objectives

Total 12 MCQs

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1 / 12

1) Which of the following is a heterocyclic compound?

2 / 12

2) Which of the following is a Lewis base?

3 / 12

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

4 / 12

4) Most of air pollution is caused by:

5 / 12

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

6 / 12

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

7 / 12

7) Plants convert glucose into:

8 / 12

8) In an irreversible reaction, equilibrium is:

9 / 12

9) Which of the following layers contains ozone gas?

10 / 12

10) Formic acid contains functional group?

11 / 12

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

12 / 12

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

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FBISE Past Paper # 2018-2
93

FBISE- 2018-2-Objectives

Total 12 MCQs

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1 / 12

1) Which of the following is a homocyclic compound?

2 / 12

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

3 / 12

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

4 / 12

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

5 / 12

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

6 / 12

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

7 / 12

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

8 / 12

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

9 / 12

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

10 / 12

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

11 / 12

11) The density of water is maximum at:

12 / 12

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

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FBISE Past Paper # 2018-Supply
48

FBISE- 2018-Supply-Objectives

Total 12 MCQs

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1 / 12

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

Which substance is the product of the reaction?

2 / 12

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

3 / 12

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

4 / 12

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

5 / 12

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

6 / 12

6) Which process produces an alkane?

7 / 12

7) Raffinose (C18H32O16) is a:

8 / 12

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

9 / 12

9) At what pH does Phenolphthalein change colour?

10 / 12

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

11 / 12

11) Chemical formula of slaked lime is:

12 / 12

12) What is the unit of equilibrium constant for:

N2 + O2  ⇌ 2NO2

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FBISE Past Paper # 2019-1
81

FBISE- 2019-1-Objectives

Total 12 MCQs

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1 / 12

1) Chemical formula of ammonium carbamate is:

2 / 12

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

3 / 12

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

4 / 12

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

5 / 12

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

6 / 12

6) Which of the following is an aldehyde?

7 / 12

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

8 / 12

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

9 / 12

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

10 / 12

10) Permanent harness of water can be removed by:

11 / 12

11) Each DNA nucleotide consists of:

12 / 12

12) Which of the following is a Lewis acid?

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FBISE Past Paper # 2019-2
66

FBISE- 2019-2-Objectives

Total 12 MCQs

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1 / 12

1) For which reaction, Kc has NO units?

2 / 12

2) Percentage of nitrogen in urea is:

3 / 12

3) Halite is an ore of:

4 / 12

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

5 / 12

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

6 / 12

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

7 / 12

7) Identify the compound responsible for acid rain:

8 / 12

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

9 / 12

9) The word Vitamin was first used by:

10 / 12

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

11 / 12

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

NH3 + BF3 → H3N-BF3

12 / 12

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

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FBISE Past Paper # 2022-Local Area
86

FBISE- 2022-Local Area-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

2) …………………… is the formula of urea.

3 / 12

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

4 / 12

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

5 / 12

5) Which of the following is a Lewis Base?

6 / 12

6) Lowest temperature in stratosphere is:

7 / 12

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

8 / 12

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

9 / 12

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

10 / 12

10) Dehydrohalogenation means the removal of:

11 / 12

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

CH3-CH=CH2  +  H2 → CH3-CH2-CH3

12 / 12

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

2 SO2 + O2 ⇌  2SO3

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

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FBISE Past Paper # 2022-Hard Area
102

FBISE- 2022-Hard Area-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

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

3 / 12

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

4 / 12

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

5 / 12

5) Identify the product in the given chemical reaction:

6 / 12

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

7 / 12

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

8 / 12

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

9 / 12

9) The pH of given solution is:

10 / 12

10) Peptide linkage is present in:

11 / 12

11) Which of the following is a secondary pollutant?

12 / 12

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

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FBISE Past Paper # 2023-1
86

FBISE- 2023-1-Objectives

Total 12 MCQs

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1 / 12

1) Identify the monosaccharide from the following carbohydrates:

2 / 12

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

3 / 12

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

4 / 12

4) IUPAC name of C8H18 is:

5 / 12

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

6 / 12

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

N2O4 ⇌  2 NO2

7 / 12

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

8 / 12

8) 1 Kilogram of water will occupy minimum space at:

9 / 12

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

10 / 12

10) In organic chemistry, the term dehydrohalogenation means:

11 / 12

11) The lowest temperature in the stratosphere is:

12 / 12

12) Which of the following is an aldehyde?

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FBISE Past Paper # 2023-2
73

FBISE- 2023-2-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

2) Select the name of following alkyl radical:

3 / 12

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

4 / 12

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

5 / 12

5) Identify the organic compound in the following molecule:

6 / 12

6) Identify Lewis base from the following:

7 / 12

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

8 / 12

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

2ICl ⇌ I2 + Cl2

9 / 12

9) The following chemical equation represents:

H2O ⇌ H+1  +   OH-1

10 / 12

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

11 / 12

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

12 / 12

12) The atmosphere is an envelop of:

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FBISE Past Paper # 2024-1
94

FBISE- 2024-1-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

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

3 / 12

3) Percentage of Nitrogen in urea is:

4 / 12

4) Complete the reaction:

H2CO3 + 2NaOH → …………………..+ 2H2O

5 / 12

5) The soap forms scum with:

6 / 12

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

7 / 12

7) The pH of acid rain is less than:

8 / 12

8) The density of water is maximum at:

9 / 12

9) The functional group of aldehyde is:

10 / 12

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

11 / 12

11) In given expression, what is the product?

12 / 12

12) The percentage of Nitrogen in the air is:

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FBISE Past Paper # 2024-2
97

FBISE- 2024-2-Objectives

Total 12 MCQs

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1 / 12

1) Percentage of Sodium chloride in sea water:

2 / 12

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

3 / 12

3) Which gas has highest percentage in the air?

4 / 12

4) The pH of acid rain is less than:

5 / 12

5) Methane reacts with explosion with:

6 / 12

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

7 / 12

7) Complete the reaction:

AgNO3 + NaCl → ………………….+ NaNO3

8 / 12

8) Ozone is an allotropic form of:

9 / 12

9) For given reaction Kc = ?

P + Q ⇌ R + S

10 / 12

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

11 / 12

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

12 / 12

12) The naturally occurring metallurgical compounds are:

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FBISE Past Paper # 2024-2nd Annual
105

FBISE- 2024-2nd Annual-Objectives

Total 12 MCQs

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1 / 12

1) Titration is used to recognize the reaction for:

2 / 12

2) Dehydrohalogenation of alkyl halides gives:

3 / 12

3) Identify the functional group in the following molecules:

4 / 12

4) Which gas is widely available in fuel cylinders?

5 / 12

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

N2 + 3H2 ⇌ 2NH3

6 / 12

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

7 / 12

7) Select Lewis acid from the following:

8 / 12

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

9 / 12

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

10 / 12

10) Petroleum is thick dark liquid composed mostly of:

11 / 12

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

12 / 12

12) Atmosphere is an envelope of:

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