Question Detail

Mass number of a nucleus is :

the sum of the number of protons and neutrons present in the nucleus
always more than the atomic weight
always less than its atomic number
None of above

Answer: Option A

Similar Questions :

1. Oxides of metals are alkaline.

TRUE
FALSE

Answer: Option A

2. Which of the following gas is used in cigarette lighters ?

Butane
Propane
Methane
Ethane

Answer: Option A

3. Acids taste

Sour
Sweet
May be both
None of both

Answer: Option A

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

mixtures
emulsions
solders
amalgams

Answer: Option D

5. The chemical used as a fixer in photography is ?

sodium thiosulphate
sodium sulphate
borax
ammonium sulphate

Answer: Option A

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