Chemistry MCQs

A. Sulphur dioxide B. Sulphuryl chloride C. Suphanyl chloride D. All of the above

A. H3PO3 B. H3PO4 C. H3PO2 D. H2P2O7

A. Copper B. Aluminum C. Lead D. Tungsten

A. Pain Killer B. Fire Extinguisher C. Mosquito Repellent D. Petrol Additive

A. 3% B. 3.5% C. 2.5% D. 2%

A. Bromine B. Fluorine C. Chlorine D. Sulphur

A. Nitrogen B. Ethane C. Methane D. Hydrogen

A. It is a sterilising agent. B. It dissolves the impurities of water. C. It is a reducing agent. D. It is an oxidising agent.

A. 2 B. 3 C. 4 D. 5

A. n=2,l=1,m1=0,ms=+1/2 B. n=2,l=1,m1=-1,ms=+1/2 C. n=2,l=0,m1=0,ms=-1/2 D. n=2,l=2,m1=1,ms=-1/2