We have made FBISE Class 10 Chemistry Grand MCQs Tests for students. All the MCQs are taken from Past Papers and only reduced syllabus MCQs are selected. Chapterwise MCQs Tests are also available.


Chemistry 10 Grand MCQs Test 1

14

Class 10 Chemistry
Past Papers MCQs Grand Test 1

1 / 82

Consider the following reaction,
H_{ 2 }O+HCl\rightleftharpoons { H }_{ 3 }{ O }^{ + }+{ Cl }^{ - } ,
which species is an electron pair acceptor in this reaction?

2 / 82

PbS is the formula of:

3 / 82

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

4 / 82

In the following reaction which species is donating an electron pair?
{ NH }_{ 3 }+{ BF }_{ 3 }\rightarrow { H }_{ 3 }N-{ BF }_{ 3 }

5 / 82

Which of the following catalysts is used to form NH3 gas from Nitrogen & Hydrogen gas?

6 / 82

What happens when ammonium carbamate is distilled with steam?

7 / 82

Green colour in firework is produced by the use of: (Example 10.4 P-35)

8 / 82

Which of the following Salts causes temporary hardness in water?

9 / 82

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

10 / 82

Which of the following reaction will not have any units for 𝐾𝑐?

11 / 82

The separation of mineral from gangue is called concentration. Which of the following methods is used for concentration?

12 / 82

Highest temperature in Mesosphere is:

13 / 82

Which process produces an Alkane?

14 / 82

Which coloured solution is produced, when Ketones are mixed with alkaline sodium nitro-prusside solution?

15 / 82

_________ is used to make liquid soap and shaving cream.

16 / 82

By dehydration, we mean the removal of:

17 / 82

Which of the following is NOT a water-borne disease?

18 / 82

Which product is obtained when chloromethane is reduced?

19 / 82

__________ is used to manufacture urea fertilizer.

20 / 82

Hydrogen is added to Propene according to the following equation:
C{ H }_{ 3 }CH={ CH }_{ 2 }+{ H }_{ 2 }\rightarrow { 200-300^{ O }C } { CH }_{ 3 }-{ CH }_{ 2 }-{ CH }_{ 3 }
Which of the following catalysts is used for this reaction?

21 / 82

The formula of Halite is:

22 / 82

Which of the following is the chemical formula of Gypsum?

23 / 82

Nitrogen dioxide is synthesized according to the given equilibrium.
2NO_{ (g) }+O_{ 2(g) }\rightleftharpoons 2N{ O }_{2 (g) }
The unit of Kc, for this reaction is:

24 / 82

Which substance is used as antacid and laxative?

25 / 82

Which is reddish brown gas?

26 / 82

N{ H }_{ 3 } cannot be classified as a base by:

27 / 82

Which compound is not a saturated hydrocarbon?

28 / 82

What is the concentration of { H }^{ + } ion in the milk of magnesia?

29 / 82

What is the percentage of Nitrogen in Ammonium sulphate { (NH }_{ 4 })_{ 2 }{ SO }_{ 4 }?

30 / 82

Which of the following is the chemical formula of Haematite?

31 / 82

Which of the following is not a water borne disease?

32 / 82

____________ causes breathing difficulties, asthma and eye irritation.

33 / 82

What is the unit of equilibrium constant for N2 (g) + O2 (g) ⇔ 2NO(g) ?

34 / 82

Which human activity results in contamination of water bodies?

35 / 82

Consider the following reaction,
H_{ 2 }O+HCl\rightleftharpoons { H }_{ 3 }{ O }^{ + }+{ Cl }^{ - } ,
which species is an electron pair acceptor in this reaction?

36 / 82

Formic acid contains functional group:

37 / 82

Which of the following substance reacts with to produce ethyleneglycol?

38 / 82

Stem "But" stands for how many carbon atoms?

39 / 82

Which of the following is the functional group of amine?

40 / 82

Formic acid contains functional group:

41 / 82

Compound of _________ helps to ensure antiseptic conditions in hospitals operating rooms.

42 / 82

Which of the following is an Ether?

43 / 82

Which is not a dextrose sugar?

44 / 82

What per cent of alkaline aqueous solution of KMnO_{ 4 } is used to detect the presence of an Alkene?

45 / 82

The temperature inside a green house can be higher than the outside temperature.

46 / 82

Disorders of Red blood cells is caused due to the deficiency of:

47 / 82

Raffinose ({ C }_{ 18 }{ H }_{ 32 }{ O }_{ 16 }) on hydrolysis forms ______ simple sugars.

48 / 82

The disease caused due to the deficiency of Vitamin D is:

49 / 82

Which is used for dehydrohalogenation of Alkyl halides?

50 / 82

Which of the following is a Lewis base?

51 / 82

A double arrow (\rightleftharpoons ) indicates.

52 / 82

Which is an alcohol?

53 / 82

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

54 / 82

Which of the following is a water soluble vitamin?

55 / 82

What is the chemical formula of slaked lime?

56 / 82

The general formula of alkynes is:

57 / 82

For a reversible reaction K = \frac { { [C] }^{ 2 } }{ [A][B] } . The correct product of above expression is:

58 / 82

The general formula for Amines is:

59 / 82

Raffinose ({ C }_{ 18 }{ H }_{ 32 }{ O }_{ 16 }) on hydrolysis forms ______ simple sugars.

60 / 82

In an irreversible reaction equilibrium is:

61 / 82

The functional group of Amines is

62 / 82

Which of the following is an ore of Aluminum?

63 / 82

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

64 / 82

Active mass means ____________.

65 / 82

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

66 / 82

In the following reaction which species is donating an electron pair?
{ NH }_{ 3 }+{ BF }_{ 3 }\rightarrow { H }_{ 3 }N-{ BF }_{ 3 }

67 / 82

Glucose is:

68 / 82

Chalcopyrite is the ore of:

69 / 82

Which of the following reacts explosively with methane?

70 / 82

Which process produces an alkane?

71 / 82

Complete the following reaction:
CH\equiv CH+{ H }_{ 2 }\xrightarrow [ Ni ]{ 200-300^{ O }C } _____________

72 / 82

When H^{ + } < 1 × 10^{ -7 } M, then solution will be:

73 / 82

Which of the following diseases is caused due to the deficiency of vitamin-A?

74 / 82

Which is used for dehydro-halogenation?

75 / 82

Which of the following is a Lewis Base?

76 / 82

Lowest temperature in stratosphere is:

77 / 82

Kwashiorkor is a disease caused by an extreme lack of:

78 / 82

A drain cleaner solution contains 1.0 × { 10 }^{ -8 }M, { OH }^{ - } concentration. This solution is:

79 / 82

Galena is the ore of _________ metal.

80 / 82

Lowest temperature in stratosphere is:

81 / 82

Raffinose ({ C }_{ 18 }{ H }_{ 32 }{ O }_{ 16 }) is a:

82 / 82

Sulphur Trioxide is prepared according to the following reaction:
2SO_{ 2(g) }+O_{ 2(g) }\rightleftharpoons 2S{ O }_{ 3(g) }
The condition of this reaction is:


Chemistry Grand MCQs Test 2

3

Class 10 Chemistry
Past Papers MCQs Grand Test 2

1 / 82

Which of the following causes brain damage in children?

2 / 82

The unit of Kc for a reaction with equal number of moles of reactants & products is:

3 / 82

Which compound has two halogen atoms on adjacent carbon atoms?

4 / 82

Chemical formula of Slaked lime is:

5 / 82

At equilibrium state of a reversible reaction:

6 / 82

Which of the following is responsible for acid rain?

7 / 82

Raffinose ({ C }_{ 18 }{ H }_{ 32 }{ O }_{ 16 }) is a:

8 / 82

Which one of the followings is insoluble in water?

9 / 82

Which of the following is a homocyclic compound?

10 / 82

By dehydration we mean the removal of:

11 / 82

n-pentane: iso-pentane and neo pentane are having different:

12 / 82

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

13 / 82

Which of the following is a Lewis acid?

14 / 82

The pH of Lemon juice is ‘2’. The { H }^{ + } ion concentration { H }^{ + } in the lemon juice is:

15 / 82

Which of the following is a heterocyclic compound?

16 / 82

Phenol gives _______ ppt with bromine water.

17 / 82

Which of the following is not a source of starch?

18 / 82

At what pH does Phenolphthalein change its colour?

19 / 82

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

20 / 82

Pitch is produced by:

21 / 82

Which of the following is not a waterborne disease?

22 / 82

Which of the following is a Lewis base?

23 / 82

Most of air pollution is caused by:

24 / 82

Halite is an ore of:

25 / 82

Which of the following is evolved during the ripening of fruits and vegetables?

26 / 82

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

27 / 82

Which of the following is used as raw material for preparation of urea?

28 / 82

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

29 / 82

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

30 / 82

Formic acid contains _______ functional group.

31 / 82

Which scientist proposed the law of mass action?

32 / 82

The atmospheric layer that has the temperature range of −5 °C to −93°C is:

33 / 82

If an alkane is having '5’ carbon atoms then the number of Hydrogen atoms in this alkane will be:

34 / 82

Which of the following is used as Antacid?

35 / 82

Ultraviolet radiations are absorbed by ozone in the stratosphere, that is why:

36 / 82

Colour of methyl red in solution of pH=9 is:

37 / 82

The general formula of alkane is:

38 / 82

Which of the following is a heterocyclic compound?

39 / 82

What will happen if [O{ H }^{ - }] increases?

40 / 82

What is the colour of phenolphthalein in acidic medium?

41 / 82

For which reaction Kc has NO units?

42 / 82

Formic acid contains functional group:

43 / 82

Which of the following is an aldehyde?

44 / 82

Acid rain has pH less than:

45 / 82

Permanent hardness of water can be removed by:

46 / 82

For a reversible reaction Kc = \frac { { [C] }^{ 2 } }{ [A][B] } . The correct equation of above expression is:

47 / 82

For a reversible reaction
K_{ C }=\frac { [HI]^{ 2 } }{ [{ H }_{ 2 }][{ I }_{ 2 }] }
which substance is product of the reaction?

48 / 82

Which one of the following vitamins is fat soluble?

49 / 82

Chemical formula of ammonium carbamate is:

50 / 82

The gastric juice has pH= 1 It means a ___________________ solution.

51 / 82

What is the colour of methyl red in basic solution?

52 / 82

What are the units of Kc for
{ N }_{ 2(g) }+{ O }_{ 2(g) }\rightleftharpoons 2{ N }{ O }_{ 2(g) } ?

53 / 82

Which one is not an air pollutant?

54 / 82

Identify the compound responsible for acid rain:

55 / 82

__________ is used for artificial ripening of fruits.

56 / 82

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

57 / 82

Plants convert glucose into:

58 / 82

In an irreversible reaction, equilibrium is:

59 / 82

Which process produces an alkane?

60 / 82

What is the unit of equilibrium constant for
{ N }_{ 2 }+{ O }_{ 2 }\rightleftharpoons 2N{ O }_{ 2 }

61 / 82

In the given reaction which species is donating an electron pair?
{ NH }_{ 3 }+{ BF }_{ 3 }\rightarrow { H }_{ 3 }N-{ BF }_{ 3 }

62 / 82

Identify molecule produced when electrical discharges pass through oxygen in air:

63 / 82

Which of the following is used as jet fuel?

64 / 82

The formula of ammonium carbamate is:

65 / 82

Which of following reacts with concentrated alkaline KMn{ O }_{ 4 } to produce oxalic acid?

66 / 82

For a general reaction 2A + B \rightleftharpoons 2C + D the rate of forward reaction will be equal to:

67 / 82

Percentage of nitrogen in urea is:

68 / 82

Which of the following is used as domestic fuel?

69 / 82

Each DNA nucleotide consists of:

70 / 82

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

71 / 82

The word vitamin was first used by:

72 / 82

Reduction of Ethylchloride ({ C }_{ 2 }{ H }_{ 5 }Cl) produces.

73 / 82

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

74 / 82

Marble buildings and statues are destroyed by acid rain due to reaction of Sulphuric acid with:

75 / 82

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

76 / 82

Which of the following is used for ripening of fruits?

77 / 82

Raffinose produces ______ units of simple sugars when hydrolyzed.

78 / 82

Which of the following layers contains ozone gas?

79 / 82

Which of the followings is not a waterborne disease?

80 / 82

___________ is used to make rectified spirit by fermentation process

81 / 82

Which of the following process is reduction in nature?

82 / 82

Which of the following cannot be classified as Arrhenius acid?

error: Content is protected !!