Metal and Its Compounds MCQ question and answer with solution

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Each section contains 100 MCQs on Metal and Its Compounds .

There is no reaction when steam passes over

A) Aluminium B) Copper C) Carbon D) Iron

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

An alloy of lead & tin is called:

A) Stainless Steel B) Brass C) Bronze D) Solder

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Food cans are coated with tin but not with zinc because

A) zinc is costlier than tin B) zinc has a higher melting point than tin C) zinc is more reactive than tin D) tin is more reactive than zinc

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

What is the chemical formula of Plaster of Paris?

A) CaSO₄.H₂O B) CaSO₄.2H₂O C) CaSO₄ D) CaSO₄.$$\frac{1}{2}$$H₂O

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Zinc is used to protect iron form corrosion because zinc is

A) more electropositive than iron B) cheaper than iron C) a bluish white metal D) a good conductor of heat and electricity

Discuss

Answer & Solution

Answer: Option A

No explanation is given for this question. Let's Discuss on Board

On providing heat, the decomposition of calcium carbonate into calcium oxide and carbon di-oxide, is example of . . . . . . . .?

A) Electrolytic De-composition reaction B) Thermal De-composition reaction C) Exothermic reaction D) Light De-composition reaction

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

How many water molecules are present in a molecule of washing soda?

A) 5 B) 10 C) 8 D) 7

Discuss

Answer & Solution

Answer: Option B

No explanation is given for this question. Let's Discuss on Board

Which of the following metals is the best conductor of electricity?

A) copper B) tungsten C) aluminium D) silver

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Calcium sulphate hemihydrate is also known as:

A) Baking powder B) Baking soda C) Washing soda D) Plaster of Paris

Discuss

Answer & Solution

Answer: Option D

No explanation is given for this question. Let's Discuss on Board

Which of the following elements has the lowest melting point?

A) Sodium B) Tin C) Radon D) Radium

Discuss

Answer & Solution

Answer: Option C

No explanation is given for this question. Let's Discuss on Board

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