Class 10 Chemistry Grand MCQs Tests

We have made FBISE Class 10 Chemistry Grand MCQs Tests for students. All the MCQs are taken from Past Papers. Chapter-wise MCQs Tests are also available.


Chemistry 10 Grand MCQs Test 1

316

Class 10 Chemistry
Past Papers MCQs Grand Test 1

1 / 82

Which is reddish brown gas?

2 / 82

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

3 / 82

In an irreversible reaction equilibrium is:

4 / 82

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

5 / 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:

6 / 82

Which of the following is a Lewis base?

7 / 82

The formula of Halite is:

8 / 82

____________ causes breathing difficulties, asthma and eye irritation.

9 / 82

Active mass means ____________.

10 / 82

__________ is used to manufacture urea fertilizer.

11 / 82

When \(H^{ + }\) < 1 × [latex]10^{ -7 }[/latex] M, then solution will be:

12 / 82

Which of the following is a Lewis Base?

13 / 82

_________ is used to make liquid soap and shaving cream.

14 / 82

PbS is the formula of:

15 / 82

A double arrow (\(\rightleftharpoons \)) indicates.

16 / 82

Formic acid contains functional group:

17 / 82

Which substance is used as antacid and laxative?

18 / 82

What is the chemical formula of slaked lime?

19 / 82

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

20 / 82

Lowest temperature in stratosphere is:

21 / 82

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

22 / 82

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

23 / 82

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

24 / 82

Which human activity results in contamination of water bodies?

25 / 82

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

26 / 82

Highest temperature in Mesosphere is:

27 / 82

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

28 / 82

Chalcopyrite is the ore of:

29 / 82

Which product is obtained when chloromethane is reduced?

30 / 82

Which of the following Salts causes temporary hardness in water?

31 / 82

Which of the following is not a water borne disease?

32 / 82

Lowest temperature in stratosphere is:

33 / 82

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

34 / 82

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

35 / 82

The general formula of alkynes is:

36 / 82

Which of the following is an Ether?

37 / 82

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

38 / 82

Which is not a dextrose sugar?

39 / 82

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

40 / 82

Which of the following is the chemical formula of Haematite?

41 / 82

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

42 / 82

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

43 / 82

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

44 / 82

Which of the following is the chemical formula of Gypsum?

45 / 82

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

46 / 82

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

47 / 82

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

48 / 82

Galena is the ore of _________ metal.

49 / 82

Which of the following is a water soluble vitamin?

50 / 82

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

51 / 82

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

52 / 82

Which of the following reacts explosively with methane?

53 / 82

The functional group of Amines is

54 / 82

Which of the following is the functional group of amine?

55 / 82

Which of the following substance reacts with to produce ethyleneglycol?

56 / 82

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

57 / 82

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

58 / 82

What happens when ammonium carbamate is distilled with steam?

59 / 82

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

60 / 82

Which process produces an alkane?

61 / 82

Glucose is:

62 / 82

Which compound is not a saturated hydrocarbon?

63 / 82

Which process produces an Alkane?

64 / 82

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

65 / 82

Formic acid contains functional group:

66 / 82

The general formula for Amines is:

67 / 82

Stem "But" stands for how many carbon atoms?

68 / 82

Kwashiorkor is a disease caused by an extreme lack of:

69 / 82

Which is an alcohol?

70 / 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?

71 / 82

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

72 / 82

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

73 / 82

Which of the following is an ore of Aluminum?

74 / 82

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

75 / 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:

76 / 82

Which is used for dehydrohalogenation of Alkyl halides?

77 / 82

Which is used for dehydro-halogenation?

78 / 82

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

79 / 82

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

80 / 82

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

81 / 82

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

82 / 82

By dehydration, we mean the removal of:

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Chemistry Grand MCQs Test 2

154

Class 10 Chemistry
Past Papers MCQs Grand Test 2

1 / 82

Which scientist proposed the law of mass action?

2 / 82

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

3 / 82

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

4 / 82

Which one of the followings is insoluble in water?

5 / 82

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

6 / 82

Which of the following cannot be classified as Arrhenius acid?

7 / 82

Which of the following is an aldehyde?

8 / 82

Which of the following is used as jet fuel?

9 / 82

By dehydration we mean the removal of:

10 / 82

Which of the following is a homocyclic compound?

11 / 82

Which of the followings is not a waterborne disease?

12 / 82

___________ is used to make rectified spirit by fermentation process

13 / 82

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

14 / 82

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

15 / 82

Each DNA nucleotide consists of:

16 / 82

Which compound has two halogen atoms on adjacent carbon atoms?

17 / 82

Which of the following is a heterocyclic compound?

18 / 82

Chemical formula of Slaked lime is:

19 / 82

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

20 / 82

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

21 / 82

Which of the following is a Lewis base?

22 / 82

Formic acid contains functional group:

23 / 82

Which one is not an air pollutant?

24 / 82

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

25 / 82

Which of the following is not a source of starch?

26 / 82

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

27 / 82

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

28 / 82

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

29 / 82

Which of the following is used as domestic fuel?

30 / 82

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

31 / 82

Halite is an ore of:

32 / 82

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

33 / 82

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

34 / 82

What is the colour of methyl red in basic solution?

35 / 82

Phenol gives _______ ppt with bromine water.

36 / 82

Which of the following process is reduction in nature?

37 / 82

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

38 / 82

Chemical formula of ammonium carbamate is:

39 / 82

The formula of ammonium carbamate is:

40 / 82

Raffinose produces ______ units of simple sugars when hydrolyzed.

41 / 82

__________ is used for artificial ripening of fruits.

42 / 82

Identify the compound responsible for acid rain:

43 / 82

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

44 / 82

What is the colour of phenolphthalein in acidic medium?

45 / 82

Which of the following is used for ripening of fruits?

46 / 82

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

47 / 82

At equilibrium state of a reversible reaction:

48 / 82

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

49 / 82

Which of the following causes brain damage in children?

50 / 82

Formic acid contains _______ functional group.

51 / 82

Which of the following is a Lewis acid?

52 / 82

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

53 / 82

The word vitamin was first used by:

54 / 82

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

55 / 82

Percentage of nitrogen in urea is:

56 / 82

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

57 / 82

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

58 / 82

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

59 / 82

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

60 / 82

In an irreversible reaction, equilibrium is:

61 / 82

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

62 / 82

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

63 / 82

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

64 / 82

Which of the following is responsible for acid rain?

65 / 82

Permanent hardness of water can be removed by:

66 / 82

The general formula of alkane is:

67 / 82

At what pH does Phenolphthalein change its colour?

68 / 82

Which of the following is not a waterborne disease?

69 / 82

Which of the following is used as Antacid?

70 / 82

Pitch is produced by:

71 / 82

Plants convert glucose into:

72 / 82

Which process produces an alkane?

73 / 82

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

74 / 82

Which of the following layers contains ozone gas?

75 / 82

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

76 / 82

Which of the following is a heterocyclic compound?

77 / 82

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

78 / 82

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

79 / 82

Which one of the following vitamins is fat soluble?

80 / 82

For which reaction Kc has NO units?

81 / 82

Acid rain has pH less than:

82 / 82

Most of air pollution is caused by:

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