Top 1000+ Solved Chemistry MCQ Questions Answer

From 1186 to 1200 of 1421

Q. Which of the following gas leaked in the Bhopal Gas tragedy in December 1984?

a. Methyl isocyanate

b. Methyl isochlorate

c. Methyl phosphate

d. Methyl isopropate

  • a. Methyl isocyanate

Q. Which acid is used in rubber, textile, leather and electroplating industries?

a. Ethanoic acid

b. Methanoic acid

c. Malanic acid

d. Butairic acid

  • b. Methanoic acid

Q. Study of Fossils is known as?

a. Paleontology

b. Petrology

c. Seismology

d. None of the above

  • a. Paleontology

Q. A substance which readily forms colloidal solution in contact with water is called –

a. Extrinsic colloid

b. Associated colloid

c. Hydrophobic colloid

d. Hydrophilic colloid

  • d. Hydrophilic colloid

Q. Denatured spirit is ethanol mixed with

a. Petrol

b. Kerosene

c. Water

d. Pyridine

  • d. Pyridine

Q. The most abundant inert gas in the atmosphere is –

a. Helium

b. Neon

c. Argon

d. Krypton

  • c. Argon

Q. Nuclear energy is a mineral-based energy source. It is derived from –

a. uranium

b. thorium

c. plutonium

d. All tithe above

  • a. uranium

Q. Zinc sulphide is commonly used as –

a. fungicide

b. herbicide

c. rodenticide

d. deodorant

  • c. rodenticide

Q. Galena is a mineral of –

a. iron

b. gold

c. lead

d. calcium

  • c. lead

Q. Magnalium is an alloy of –

a. Aluminium and Magnesium

b. Magnesium and Tin

c. Aluminium and Zinc

d. Manganese and Magnesium

  • a. Aluminium and Magnesium

Q. Which of the toxic heavy metals is found in modern tannery industries?

a. Nickel

b. Zine

c. Chromium

d. Lead

  • c. Chromium

Q. Which of the following contains high content of lead?

a. Coal

b. Cooking gas

c. High octane fuel

d. Low octane fuel

  • c. High octane fuel

Q. Acids on reacting with metals release which of the following gases?

a. Oxygen

b. Carbon Dioxide

c. Hydrogen

d. Methane

  • c. Hydrogen

Q. Carbon reacts with metal to form -

a. Carbide

b. Carbonate

c. Hydroxide

d. Oxide

  • a. Carbide

Q. Radioactive disintegration of Uranium ultimately results in formation of -

a. Radium

b. Thorium

c. Polonium

d. Lead

  • d. Lead
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