Metal and Its Compounds MCQ question and answer with solution

1

Which of the following metals cannot be easily cut by a knife?

A) aluminium B) sodium C) potassium D) lithium

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Answer & Solution

Answer: Option A

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2

. . . . . . . . is the most ductile metal.

A) Cu B) Al C) Au D) Zn

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Answer & Solution

Answer: Option C

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3

The chemical structure of the pearl is

A) Calcium Carbonate B) Calcium Carbonate & Magnesium Carbonate C) Calcium Chloride D) Calcium Sulphate

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Answer & Solution

Answer: Option A

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4

Stainless steel does not rust because

A) chromium and nickel combine with iron B) chromium forms an oxide layer and protects iron from rusting C) nickel present in it, does not rust D) iron forms a hard chemical compound with chromium present in it

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Answer & Solution

Answer: Option B

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5

Bronze is often used to make statues and medals whereas brass is used in making utensils, scientific apparatus and cartridges. Both brass and bronze are copper containing alloys, yet they differ in their chemical composition for additionally containing.

A) zinc in brass and tin in bronze B) chromium in brass and nickel in bronze C) nickel in brass and tin in bronze D) iron in brass and nickel in bronze

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Answer & Solution

Answer: Option A

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6

Which of the following alloys contains tin?

A) brass B) solder C) duralumin D) steel

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Answer & Solution

Answer: Option B

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7

. . . . . . . . is the chemical name of hydrated lime?

A) CaCl₂ B) Ca(OH)₂ C) CaO D) CaCO₃

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Answer & Solution

Answer: Option B

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8

Quartz is made of . . . . . . . .

A) calcium sulphate B) calcium silicate C) sodium sulphate D) sodium silicate

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Answer & Solution

Answer: Option D

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9

Which of the following metals does not react with cold or hot water?

A) Sodium B) Potassium C) Calcium D) Aluminium

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Answer & Solution

Answer: Option D

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10

The alloy is a . . . . . . . .

A) element B) heterogeneous mixture C) compound D) homogeneous mixture

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Answer & Solution

Answer: Option D

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