Top 1000+ Solved Chemistry MCQ Questions Answer

From 286 to 300 of 1421

Q. The material used in the manufacture of lead pencil is –

a. Graphite

b. Lead

c. Carbon

d. Mica

  • a. Graphite

Q. Nail polish remover contains?

a. Benzene

b. acetic acid

c. acetone

d. petroleum ether

  • c. acetone

Q. Which of the following metals is NOT obtained by reduction using carbon?

a. Copper

b. Sodium

c. Iron

d. Zinc

  • b. Sodium

Q. One of the following is used to dissolve noble metals. That is –

a. Nitric acid

b. Hydrochloric acid

c. Sulphuric acid

d. Aqua ragia

  • d. Aqua ragia

Q. Water can be separated from alcohol water mixture by –

a. decantation

b. evaporation

c. distillation

d. sublimation

  • c. distillation

Q. 'Milk Sugar' is –

a. Lactose

b. Maltose

c. Galactose

d. Sucrose

  • a. Lactose

Q. Which of the following is not a nitrogenous fertilizer?

a. Ammonium sulphate

b. Urea

c. Ammonium nitrate

d. Superphosphate

  • d. Superphosphate

Q. Which of the following is chief source of Naphthalene?

a. Moth balls

b. Moth flakes

c. Tar Camphor

d. Methyl Alcohol

  • c. Tar Camphor

Q. Which of the following is the petroleum wax?

a. Bees wax

b. Carnauba wax

c. Paraffin wax

d. Jojoba wax

  • c. Paraffin wax

Q. Which variety of coal contains recognizable traces of the original plant material?

a. Anthracite

b. Lignite

c. Peat

d. Bitumen

  • c. Peat

Q. Sodium calcium silicate is called.

a. Hard glass

b. Borosilicate glass

c. Soft glass

d. Jena glass

  • c. Soft glass

Q. A gas used as a disinfectant in drinking water is -

a. Hydrogen

b. Oxygen

c. Fluorine

d. Chlorine

  • d. Chlorine

Q. The main source of Naphthalene is -

a. Charcoal

b. Camphor

c. Coal-tar

d. Diesel

  • c. Coal-tar

Q. The material used in solar cells contains

a. Tin

b. Silicon

c. Caesium

d. Thallium

  • b. Silicon
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