Top 1000+ Solved Chemistry MCQ Questions Answer

a. Steel

b. Cast iron

c. Pig iron

d. Wrought iron

a. Lead

b. Tin

c. Zinc

d. Mercury

a. elements

b. hydrocarbons

c. polymers

d. salts

a. helium

b. hydrogen

c. air

d. nitrogen

a. gas in a liquid

b. liquid in a liquid

c. liquid in a gas

d. gas in a solid

a. 0.1 to 1.5

b. 1.5 to 3.0

c. 3.0 to 4.0

d. 4.0 to 6.0

a. CO

b. H2

c. CO2

d. O2

a. Paraffin wax and stearic acid

b. Bees wax and stearic acid

c. Higher fat acids and stearic acid

d. Bees wax and paraffin wax

a. Nickel

b. Zinc

c. Copper

d. Silver

a. carbonates from soil

b. carbon dioxide

c. water

d. oxides of mineral elements

a. To generate moisture

b. To give a good flavour

c. To give good colour

d. To generate carbon dioxide

a. Carbon dioxide

b. Carbon monoxide

c. Hydrogen sulphide

d. Methane

a. Formic acid

b. Acetic acid

c. Salycylic acid

d. Oxalic acid

a. plant gums

b. coal tar

c. wool wax

d. petroleum

a. bluish green

b. apple-green

c. brick red

d. crimson red