Top 1000+ Solved Chemistry MCQ Questions Answer

From 151 to 165 of 1421

Q. Milk is a natural –

a. Solution

b. Emulsion

c. Mixture

d. Suspension

  • b. Emulsion

Q. A polymeric substance used to make parachute is –

a. Rayon

b. Viscose

c. Cotton

d. Terylene

  • b. Viscose

Q. The metallic Constituents of hard water are –

a. Magnesium, calcium and tin

b. Iron, tin and calcium

c. Calcium, magnesium and iron

d. Magnesium, tin and iron

  • c. Calcium, magnesium and iron

Q. The pH of human blood is between –

a. 6.5-7

b. 7.5-8

c. 8-9

d. 4.5-5

  • b. 7.5-8

Q. Which of the following is used as a lubricant in heavy machines?

a. Bauxite

b. Sulphur

c. Phosphorus

d. Graphite

  • d. Graphite

Q. Formation of ozone hole is maximum over –

a. Africa

b. India

c. Antarctica

d. Europe

  • c. Antarctica

Q. Which of the following is used to iodise common salt?

a. Potassium iodide

b. Iodine

c. Potassium iodate

d. Sodium iodide

  • c. Potassium iodate

Q. Which of the following imparts deep blue colour to glass?

a. Cobalt oxide

b. Cupric oxide

c. Ferrous oxide

d. Nickel oxide

  • d. Nickel oxide

Q. Which of the following fibres catches fire least?

a. Nylon

b. Cotton

c. Rayon

d. Terricot

  • b. Cotton

Q. Drinking soda is –

a. Alkaline

b. Acidic

c. Neutral

d. Oxidant

  • b. Acidic

Q. The cathode of a lead storage battery is made up of –

a. Zinc

b. Lead

c. Lead oxide

d. Manganese dioxide

  • b. Lead

Q. Who is regarded as father of modern chemistry?

a. Ruterford

b. Einstein

c. Lavoisier

d. C.V. Raman

  • c. Lavoisier

Q. Kidney stones are mainly formed by which of the following compound -

a. Sodium chloride

b. Silicates

c. Calcium bicarbonate

d. Calcium oxalate

  • d. Calcium oxalate

Q. What is the principal ore of aluminium?

a. Dolomite

b. Copper

c. Lignite

d. Bauxite

  • d. Bauxite
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