Radon is___________?
A. germon radio
B. radio active gas
C. artificial fibre
D. an explosive
Month: November 2018
Which one of the following gases is readily soluble in water at room temperature?
Which one of the following gases is readily soluble in water at room temperature?
A. Chlorine
B. Nitrogen
C. Ammonia
D. Carbon dioxide
Bleaching powder contains___________?
Bleaching powder contains___________?
A. Nitrogen
B. Iodine
C. Chlorine
D. Bromine
Bleaching action of chlorine is by________?
Bleaching action of chlorine is by________?
A. Oxidation
B. Reduction
C. Decomposition
D. Hydrolysis
Which is the heaviest metal?
Which is the heaviest metal?
A. Iron
B. Mercury
C. Nickel
D. Osmium
What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?
What is a mixture of Potassium Nitrate Powdered Charcoal and Sulphur called?
A. Paint
B. Glass
C. Gun Powder
D. Cement
Nail polish remover contains___________?
Nail polish remover contains___________?
A. Acetone
B. Benzene
C. Acetic acid
D. Petroleum ether
Which one of the following is the softest?
Which one of the following is the softest?
A. sodium
B. iron
C. aluminium
D. lithium
The chemical used as a fixer in photography is__________?
The chemical used as a fixer in photography is__________?
A. sodium sulphate
B. borax
C. sodium thiosulphate
D. ammonium sulphate
Which variety of glass is heat resistant?
Which variety of glass is heat resistant?
A. Bottle glass
B. Flint glass
C. Hard glass
D. Pyrex glass