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 Chemistry Questions

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Q:

What is the name of the process where gas is directly converted to solids called?

A) Sublimation B) Deposition
C) Condensation D) Evaporation
 
Answer & Explanation Answer: B) Deposition

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Q:

The chemical formula of Propane is

A) C3H8 B) C4H10
C) C2H6 D) CH4
 
Answer & Explanation Answer: A) C3H8

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Q:

___ is amphoteric in nature.

A) SO2 B) CaO
C) ZnO D) N2O
 
Answer & Explanation Answer: C) ZnO

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Q:

A) Mineral B) Tribe
C) Grass D) Town
 
Answer & Explanation Answer: C) Grass

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Q:

Binomial Nomenclature was founded by

A) Charles Darwin B) Robert Nucleus
C) Carl Linnaeus D) Lamarck
 
Answer & Explanation Answer: C) Carl Linnaeus

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Q:

Matter is classified as a

A) pure substance B) mixture
C) both 1 & 2 D) none of the above
 
Answer & Explanation Answer: C) both 1 & 2

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Q:

Which of the following gases are responsible for the greenhouse gas effect on Earth?

A) Water Vapour and Carbon dioxide B) Carbon dioxide and Nitrogen
C) Oxygen and Methane D) Ozone and Methane
 
Answer & Explanation Answer: A) Water Vapour and Carbon dioxide

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Q:

Crystallisation is an example of?

A) Physical Change B) Chemical Change
C) Chemical Reaction D) Galvanisation
 
Answer & Explanation Answer: A) Physical Change

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