Chemistry Questions

Q:

Sulphur and Chlorine can have what type of a bond?

A) Polar covalent B) Polyionic
C) Non­-polar covalent D) Ionic
 
Answer & Explanation Answer: A) Polar covalent

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Q:

Which among the following has highest electron affinity?

A) Chlorine B) Fluorine
C) Helium D) Xenon
 
Answer & Explanation Answer: A) Chlorine

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Q:

Which one of the following is a cation?

A) Carbonate B) Nitrate
C) Ammonium D) Hydroxide
 
Answer & Explanation Answer: C) Ammonium

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Q:

Anions are formed by _____.

A) losing of electrons B) gaining of electrons
C) gaining of neutrons D) losing of neutrons
 
Answer & Explanation Answer: B) gaining of electrons

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Q:

Pentane has _____ structural isomers.

A) 1 B) 2
C) 3 D) 4
 
Answer & Explanation Answer: C) 3

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Q:

The series of processes by which nitrogen and its compounds are inter-converted in the environment and in living organisms is called _____ .

A) Absorption of Nitrogen B) Ammonification
C) Nitrogen Fixation D) Nitrogen Cycle
 
Answer & Explanation Answer: D) Nitrogen Cycle

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Q:

Which of these is not a macronutrient for Plants?

A) Nitrogen B) Phosphorus
C) Potassium D) Chlorine
 
Answer & Explanation Answer: D) Chlorine

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Q:

Vinegar and Baking Soda together produce ____________.

A) Copper B) Carbon Dioxide
C) Copper Sulphate D) Magnesium Oxide
 
Answer & Explanation Answer: B) Carbon Dioxide

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