Top 1000+ Solved Chemistry MCQ Questions Answer

a. Neon

b. Oxygen

c. Nitrogen

d. Freon

a. Nitric oxide

b. Nitrogen dioxide

c. Nitrogen pentoxide

d. Nitrous oxide

a. Oxalic acid

b. Alcohol

c. Ether

d. Kerosene oil

a. decomposition

b. hydrolysis

c. reduction

d. oxidation

a. Tungsten

b. Diamond

c. Steel

d. Graphite

a. decreases

b. increases

c. Constant

d. None

a. Phosphorus

b. Antimony

c. Arsenic

d. Aluminium

a. Carbon and Hydrogen

b. Carbon and Nitrogen

c. Carbon and Oxygen

d. Carbon and Sulphur

a. Helium

b. Krypton

c. Radon

d. Argon

a. Lead and tin

b. Zine and copper

c. Antimony, tin and lead

d. Zinc, tin and copper

a. zinc oxide

b. potassium cyanide

c. lead nitrate

d. zinc phosphide

a. molten iron

b. molten sand

c. molten alumina

d. molten calcium silicate

a. soft and flexible

b. strong and hard

c. chemical resistant

d. withstand higher temperatures

a. chromium and carbon

b. chromium, carbon and iron

c. chromium and iron

d. carbon and iron

a. Animal wastes

b. Crop residues

c. Aquatic plants

d. Forest residues