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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) Identify the Arrhenius base:

3 / 12

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

4 / 12

4) Which statement about water is correct?

5 / 12

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

6 / 12

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

7 / 12

7) Which of the following is an air pollutant?

8 / 12

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

9 / 12

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

10 / 12

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

11 / 12

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

2A + B  ⇌ 3C

12 / 12

12) Proteins are essential for the formation of:

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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) Halogenation of methane in direct sunlight produces:

2 / 12

2) Which statement about water is wrong?

3 / 12

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

4 / 12

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

5 / 12

5) Fats and oils are used to manufacture:

6 / 12

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

2CO + O2  ⇌  2CO2

7 / 12

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

8 / 12

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

9 / 12

9) Identify Arrhenius acid from the following:

10 / 12

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

11 / 12

11) Which of the following is an air pollutant?

12 / 12

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

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FBISE Past Paper # 2016-1
64

FBISE- 2016-1-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

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

3 / 12

3) Chalcopyrite is the ore of:

4 / 12

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

NH3 + BF3 → H3N-BF3

5 / 12

5) Highest temperature in Mesosphere is:

6 / 12

6) Which process produces an alkane?

7 / 12

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

8 / 12

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

9 / 12

9) Formic acid contains functional group?

10 / 12

10) By dehydration, we mean the removal of:

11 / 12

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

12 / 12

12) Raffinose (C18H32O16) is a:

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FBISE Past Paper # 2016-2
41

FBISE- 2016-2-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

2) Which product is obtained when chloromethane is reduced?

3 / 12

3) What are the units for :

N2 + O2  ⇌ 2NO 

4 / 12

4) A double arrow (⇌ ) indicates:

5 / 12

5) Which is an alcohol?

6 / 12

6) Which is not a dextrose sugar?

7 / 12

7) Which of the following is a Lewis base?

8 / 12

8) The formula of Halite is:

9 / 12

9) Which is used for dehydrohalogenation of Alkyl halides?

10 / 12

10) Which gas has lowest percentage in the air?

11 / 12

11) Which compound is not a saturated hydrocarbon?

12 / 12

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

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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 an irreversible reaction equilibrium is:

2 / 12

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

3 / 12

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

4 / 12

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

5 / 12

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

6 / 12

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

7 / 12

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

8 / 12

8) Which of the following is a Lewis Base?

9 / 12

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

10 / 12

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

NH3 + BF3 → H3N-BF3

 

11 / 12

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

12 / 12

12) Formic acid contains functional group:

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FBISE Past Paper # 2017-1
80

FBISE- 2017-1-Objectives

Total 12 MCQs

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1 / 12

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

The rate of forward reaction will be equal to:

2 / 12

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

3 / 12

3) By dehydration we mean the removal of:

4 / 12

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

5 / 12

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

6 / 12

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

7 / 12

7) Which scientist proposed the law of mass action?

8 / 12

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

9 / 12

9) Ice floats over liquid water because:

10 / 12

10) At equilibrium state of a reversible reaction:

11 / 12

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

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 substance reacts with KMnO4 to produce ethyleneglycol?

2 / 12

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

3 / 12

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

4 / 12

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

5 / 12

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

6 / 12

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

7 / 12

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

8 / 12

8) Reduction of ethyl chloride (C2H5OH) produces:

9 / 12

9) Which of the following is used as Antacid?

10 / 12

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

The correct equation for above reaction is:

11 / 12

11) The given functional group is found in:

12 / 12

12) Which of the following is a heterocyclic compound?

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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 layers contains ozone gas?

2 / 12

2) Which of the following is a heterocyclic compound?

3 / 12

3) In an irreversible reaction, equilibrium is:

4 / 12

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

5 / 12

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

6 / 12

6) Most of air pollution is caused by:

7 / 12

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

8 / 12

8) Which of the following is a Lewis base?

9 / 12

9) Plants convert glucose into:

10 / 12

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

11 / 12

11) Formic acid contains functional group?

12 / 12

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

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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 responsible for acid rain?

2 / 12

2) The density of water is maximum at:

3 / 12

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

4 / 12

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

5 / 12

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

6 / 12

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

7 / 12

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

8 / 12

8) Which of the following is a homocyclic compound?

9 / 12

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

10 / 12

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

11 / 12

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

12 / 12

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

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FBISE Past Paper # 2018-Supply
48

FBISE- 2018-Supply-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

2) Which process produces an alkane?

3 / 12

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

Which substance is the product of the reaction?

4 / 12

4) What is the unit of equilibrium constant for:

N2 + O2  ⇌ 2NO2

5 / 12

5) Raffinose (C18H32O16) is a:

6 / 12

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

7 / 12

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

8 / 12

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

9 / 12

9) Chemical formula of slaked lime is:

10 / 12

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

11 / 12

11) At what pH does Phenolphthalein change colour?

12 / 12

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

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FBISE Past Paper # 2019-1
81

FBISE- 2019-1-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

2) Which of the following is a Lewis acid?

3 / 12

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

4 / 12

4) Each DNA nucleotide consists of:

5 / 12

5) Chemical formula of ammonium carbamate is:

6 / 12

6) Permanent harness of water can be removed by:

7 / 12

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

8 / 12

8) Which of the following is an aldehyde?

9 / 12

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

10 / 12

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

11 / 12

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

12 / 12

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

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FBISE Past Paper # 2019-2
66

FBISE- 2019-2-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

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

3 / 12

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

NH3 + BF3 → H3N-BF3

4 / 12

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

5 / 12

5) Halite is an ore of:

6 / 12

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

7 / 12

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

8 / 12

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

9 / 12

9) For which reaction, Kc has NO units?

10 / 12

10) The word Vitamin was first used by:

11 / 12

11) Percentage of nitrogen in urea is:

12 / 12

12) Identify the compound responsible for acid rain:

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

2 / 12

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

3 / 12

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

4 / 12

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

2 SO2 + O2 ⇌  2SO3

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

5 / 12

5) Dehydrohalogenation means the removal of:

6 / 12

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

7 / 12

7) Which of the following is a Lewis Base?

8 / 12

8) Lowest temperature in stratosphere is:

9 / 12

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

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

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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) The pH of given solution is:

2 / 12

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

3 / 12

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

4 / 12

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

5 / 12

5) Peptide linkage is present in:

6 / 12

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

7 / 12

7) Identify the product in the given chemical reaction:

8 / 12

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

9 / 12

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

10 / 12

10) Which of the following is a secondary pollutant?

11 / 12

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

12 / 12

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

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FBISE Past Paper # 2023-1
86

FBISE- 2023-1-Objectives

Total 12 MCQs

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1 / 12

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

2 / 12

2) IUPAC name of C8H18 is:

3 / 12

3) Identify the monosaccharide from the following carbohydrates:

4 / 12

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

5 / 12

5) Which of the following is an aldehyde?

6 / 12

6) 1 Kilogram of water will occupy minimum space at:

7 / 12

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

8 / 12

8) The lowest temperature in the stratosphere is:

9 / 12

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

10 / 12

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

N2O4 ⇌  2 NO2

11 / 12

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

12 / 12

12) In organic chemistry, the term dehydrohalogenation means:

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FBISE Past Paper # 2023-2
73

FBISE- 2023-2-Objectives

Total 12 MCQs

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1 / 12

1) Identify the organic compound in the following molecule:

2 / 12

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

3 / 12

3) Select the name of following alkyl radical:

4 / 12

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

5 / 12

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

2ICl ⇌ I2 + Cl2

6 / 12

6) Identify Lewis base from the following:

7 / 12

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

8 / 12

8) The following chemical equation represents:

H2O ⇌ H+1  +   OH-1

9 / 12

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

10 / 12

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

11 / 12

11) The atmosphere is an envelop of:

12 / 12

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

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FBISE Past Paper # 2024-1
94

FBISE- 2024-1-Objectives

Total 12 MCQs

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1 / 12

1) The soap forms scum with:

2 / 12

2) The density of water is maximum at:

3 / 12

3) Complete the reaction:

H2CO3 + 2NaOH → …………………..+ 2H2O

4 / 12

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

5 / 12

5) The pH of acid rain is less than:

6 / 12

6) The percentage of Nitrogen in the air is:

7 / 12

7) In given expression, what is the product?

8 / 12

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

9 / 12

9) Percentage of Nitrogen in urea is:

10 / 12

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

11 / 12

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

12 / 12

12) The functional group of aldehyde 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) Stem “But-” represents ……………. number f carbon atoms.

2 / 12

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

3 / 12

3) Ozone is an allotropic form of:

4 / 12

4) Complete the reaction:

AgNO3 + NaCl → ………………….+ NaNO3

5 / 12

5) The pH of acid rain is less than:

6 / 12

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

7 / 12

7) Methane reacts with explosion with:

8 / 12

8) For given reaction Kc = ?

P + Q ⇌ R + S

9 / 12

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

10 / 12

10) Which gas has highest percentage in the air?

11 / 12

11) The naturally occurring metallurgical compounds are:

12 / 12

12) Percentage of Sodium chloride in sea water:

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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) Select Lewis acid from the following:

2 / 12

2) Atmosphere is an envelope of:

3 / 12

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

4 / 12

4) Petroleum is thick dark liquid composed mostly of:

5 / 12

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

6 / 12

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

N2 + 3H2 ⇌ 2NH3

7 / 12

7) Dehydrohalogenation of alkyl halides gives:

8 / 12

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

9 / 12

9) Which gas is widely available in fuel cylinders?

10 / 12

10) Titration is used to recognize the reaction for:

11 / 12

11) Identify the functional group in the following molecules:

12 / 12

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

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