Top 1000+ Solved Chemistry MCQ Questions Answer

From 586 to 600 of 1421

Q. The contact process is involved in the manufacture of -

a. Nitric acid

b. Sulphuric acid

c. Ammonia

d. Caustic soda

  • b. Sulphuric acid

Q. Which of the following is the purest form of Carbon?

a. Charcoal

b. Granite

c. Diamond

d. Graphite

  • c. Diamond

Q. Brass is made of –

a. copper and tin

b. tin and lead

c. copper and zinc

d. copper, tin and zinc

  • c. copper and zinc

Q. The wine is prepared by the process of -

a. fermentation

b. catalysation

c. conjugation

d. displacement

  • a. fermentation

Q. Compounds with identical molecular formula but different structures are called -

a. Tetravalent compounds

b. Structural isomers

c. Covalent compounds

d. None of the above

  • b. Structural isomers

Q. PVC is formed by polymerization of -

a. Styrene

b. Acetylene

c. Propene

d. Vinyl Chloride

  • d. Vinyl Chloride

Q. The unit to measure the flow of water is-

a. Micro Mho

b. Ohm meter

c. Milli curie

d. Cusecs

  • d. Cusecs

Q. Which of the following is a super-cooled liquid?

a. Ice-cream

b. Ammonia

c. Glass

d. Wood

  • c. Glass

Q. Soap is prepared by boiling caustic soda with –

a. Alcohol

b. Kerosene oil

c. Glycerine

d. Fats

  • d. Fats

Q. Bronze is an alloy of –

a. Copper and Zinc

b. Tin and Zinc

c. Copper and Tin

d. Iron and Zinc

  • c. Copper and Tin

Q. Which of the following elements is non- radioactive?

a. Uranium

b. Thorium

c. Plutonium

d. Zirconium

  • d. Zirconium

Q. The gas used for artificial fruit ripening of green fruit is –

a. Ethylene

b. Acetylene

c. Ethane

d. Methane

  • a. Ethylene

Q. Manganite is an ore/mineral of             .

a. Beryllium

b. Chromium

c. Manganese

d. Copper

  • c. Manganese

Q. The presence of which of the following salts in water causes corrosion in steam boilers?

a. Sodium Chloride

b. Magnesium Chloride

c. Calcium bicarbonate

d. Potassium bicarbonate

  • b. Magnesium Chloride

Q. The freezing point of fresh water is -

a. 0°C

b. 4°C

c. 3°C

d. 5 C

  • a. 0°C
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