Chemistry MCQ Questions with answers

Here Important Chemistry MCQ questions are added which are frequently asked in almost all the examinations. You can check the correct answer of any question on clicking the show answer button or on option itself. The Correct answer will be displayed below. You can share any question with your friends on whatsapp by tapping whatsapp button.

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Learn Chemistry MCQs [Page 15 ]

M

Mr. Dubey • 100.64K Points
Coach Chemistry

Q) The substances that can be used as explosives are
1.phosphorous trichloride
2.mercuric oxide
3.trinitrotoluene
4.nitroglycerine
The correct answers are:

  • (A) 3 and 4
  • (B) 2 and 3
  • (C) 1 and 2
  • (D) 2 and 4
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Correct Answer - Option (A)

No Explanation found. Add Explanation and get +2 points.

M

Mr. Dubey • 100.64K Points
Coach Chemistry

Q) In which of the following groups, are the elements written in the descending order of their respective atomic weights?

  • (A) Oxygen, argon, nitrogen, hydrogen
  • (B) Nitrogen, carbon, oxygen, hydrogen
  • (C) Oxygen, nitrogen, helium, bromine
  • (D) Oxygen, nitrogen, helium, hydrogen
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Correct Answer - Option (D)

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M

Mr. Dubey • 100.64K Points
Coach Chemistry

Q) The organic solvents produced by destructive distillation of wood are
1.Acetone
2.Methanol
3.Ethanol The correct answers are:

  • (A) 1 and 2
  • (B) 2 and 3
  • (C) 1, 2 and 3
  • (D) 1 and 3
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Correct Answer - Option (A)

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A

Ankit Singh • 6.54K Points
Tutor III Chemistry

Q) Highly toxic gas which causes headache, visual difficulty, paralysis and even death is

  • (A) CO2
  • (B) O3
  • (C) CO
  • (D) All of these
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Correct Answer - Option (C)

Explanation:

Carbon monoxide intoxication can be caused by single or repetitively generated high short-term peaks, and carbon monoxide poisoning is the leading cause of death from poisoning (accidental and intentional).

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