Metal and Its Compounds MCQ question and answer with solution | Chemistry Gk MCQs

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Section 1 Section 2 Section 3 Section 4 Section 5

31.
Of how many carats is the pure gold?

A. 22

B. 24

C. 28

D. 20

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32.
Which element, is naturally very poisonous, was used in the traditional thermometer?

A. Carbon

B. Mercury

C. Arsenic

D. Cadmium

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33.
Assertion (A): Sodium metal is stored under kerosene.
Reason (R): Metallic sodium melts when exposed to air.

A. Both (A) and (R) are true and (R) is the correct explanation of (A)

B. Both (A) and (R) are true, but (R) is not the correct explanation of (A)

C. (A) is true, but (R) is false

D. (A) is false, but (R) is true

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34.
What is the name of the compound, which is expressed by the formula Al₂(SO₄)₃

A. aluminium sulfide

B. aluminium sulphuroxide

C. aluminium sulphate

D. aluminium sulfite

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35.
Which chemical element is required to harden steel?

A. Vanadium

B. Manganese

C. Nickel

D. Chromium

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36.
Of the following commonly used materials, the one that is not an alloy is

A. steel

B. brass

C. bronze

D. copper

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37.
Which of the following is a copper ore?

A. Haematite

B. Magnetite

C. Malachite

D. Chromite

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38.
Consider the following statements.
1. Bronze is an alloy of copper and tin.
2. White gold is an alloy of gold containing platinum and lead.
Which of the statement(s) given above is/are correct?

A. Only 1

B. Only 2

C. Both 1 and 2

D. Neither 1 nor 2

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39.
Match List-I with List-II and select the correct answer:

List-I (Alloy) List-II (Constituent)

a. Solder 1. Iron and carbon

b. Brass 2. Copper and zinc

c. Bronze 3. Copper and tin

d. Steel 4. Lead and tin

A. a-1, b-2, c-3, d-4

B. a-4, b-2, c-3, d-1

C. a-1, b-3, c-2, d-4

D. a-4, b-3, c-2, d-1

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40.
Stainless steel contains

A. Fe + Cr + Ni

B. Fe + Ni + Cu

C. Fe + Cr + Cu

D. Fe + C + Ni

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1 2 3 4 5 6 7 8 9 10

List-I (Alloy)	List-II (Constituent)
a. Solder	1. Iron and carbon
b. Brass	2. Copper and zinc
c. Bronze	3. Copper and tin
d. Steel	4. Lead and tin

Metal and Its Compounds MCQ question and answer with solution | Chemistry Gk MCQs

31. Of how many carats is the pure gold?

Answer & Solution

32. Which element, is naturally very poisonous, was used in the traditional thermometer?

Answer & Solution

33. Assertion (A): Sodium metal is stored under kerosene. Reason (R): Metallic sodium melts when exposed to air.

Answer & Solution

34. What is the name of the compound, which is expressed by the formula Al2(SO4)3

Answer & Solution

35. Which chemical element is required to harden steel?

Answer & Solution

36. Of the following commonly used materials, the one that is not an alloy is

Answer & Solution

37. Which of the following is a copper ore?

Answer & Solution

38. Consider the following statements. 1. Bronze is an alloy of copper and tin. 2. White gold is an alloy of gold containing platinum and lead. Which of the statement(s) given above is/are correct?

Answer & Solution

39. Match List-I with List-II and select the correct answer: List-I (Alloy) List-II (Constituent) a. Solder 1. Iron and carbon b. Brass 2. Copper and zinc c. Bronze 3. Copper and tin d. Steel 4. Lead and tin

Answer & Solution

40. Stainless steel contains

Answer & Solution

Read More Section(Metal and Its Compounds)

31.
Of how many carats is the pure gold?

32.
Which element, is naturally very poisonous, was used in the traditional thermometer?

33.
Assertion (A): Sodium metal is stored under kerosene.
Reason (R): Metallic sodium melts when exposed to air.

34.
What is the name of the compound, which is expressed by the formula Al₂(SO₄)₃

35.
Which chemical element is required to harden steel?

36.
Of the following commonly used materials, the one that is not an alloy is

37.
Which of the following is a copper ore?

38.
Consider the following statements.
1. Bronze is an alloy of copper and tin.
2. White gold is an alloy of gold containing platinum and lead.
Which of the statement(s) given above is/are correct?

39.
Match List-I with List-II and select the correct answer:

List-I (Alloy) List-II (Constituent)

a. Solder 1. Iron and carbon

b. Brass 2. Copper and zinc

c. Bronze 3. Copper and tin

d. Steel 4. Lead and tin

40.
Stainless steel contains