Question Detail

The luster of a metal is due to :

high polishing
high density
chemical inertness
presence of free electrons

Answer: Option D

Similar Questions :

1. Alloys made with mercury as one metal are called ?

mixtures
emulsions
solders
amalgams

Answer: Option D

2. What nucleus of atom contains ?

protons
electrons
electrons and protons
protons and neutrons

Answer: Option D

3. Which one of the following metals does not react with water to produce Hydrogen?

Cadmium
Lithium
Potassium
Sodium

Answer: Option A

4. Oil of vitriol is

nitric acid
sulphuric acid
hydrochloric acid
phosphoric acid

Answer: Option B

5. Which one is an organic Acid ?

Sulphuric
Citric
Nitric
Phosphoric

Answer: Option B

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