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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 3 ]

M

Mr. Dubey • 51.43K Points
Coach

Q) What are the number of moles of CO2 which contains 16 g of oxygen?

(A) 0.5 mole
(B) 0.2 mole
(C) 0.4 mole
(D) 0.25 mole
Correct Answer - Option (A)

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

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Mr. Dubey • 51.43K Points
Coach

Q) The main use of salt in the diet is to

(A) make the taste of food better
(B) produce in small amounts the hydrochloric acid required for the digestion of food
(C) ease the process of cooking
(D) increase the solubility of food particles in water
Correct Answer - Option (B)

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

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Mr. Dubey • 51.43K Points
Coach

Q) The luster of a metal is due to

(A) its high density
(B) its high polishing
(C) its chemical inertness
(D) presence of free electrons
Correct Answer - Option (D)

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

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M

Mr. Dubey • 51.43K Points
Coach

Q) The number of water molecules present in a drop of water (volume 0.0018 ml) at room temperature is

(A) 1.568 x 10^3
(B) 6.023 x 10^19
(C) 4.84 x 10^17
(D) 6.023 x 10^23
Correct Answer - Option (B)

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

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M

Mohini Yadav • 27.60K Points
Instructor II

Q) Which scientist discovered the radioactive element radium?

(A) Isaac Newton
(B) Albert Einstein
(C) Benjamin Franklin
(D) Marie Curie
Correct Answer - Option (D)

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

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