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Chemistry MCQ Questions with answers

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Learn Chemistry MCQs [Page 1 of Department 2]

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Shivam • 8.86K Points
Tutor III

2) Equal masses of oxygen, hydrogen and methane are kept under identical conditions. The ratio of the volumes of gases will be

(A) 2 : 16 : 2
(B) 2 : 16 : 1
(C) 1 : 16 : 2
(D) 1 : 1 : 1
Correct Answer - Option (C)

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

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Shivam • 8.86K Points
Tutor III

3) The mass number of an atom is equal to

(A) the number of protons
(B) the number of protons and electrons
(C) the number of nucleons
(D) the number of neutrons
Correct Answer - Option (C)

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

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S

Shivam • 8.86K Points
Tutor III

7) The method of concentrating the ore which makes use of the difference in density between ore and impurities is called

(A) liquation
(B) leaching
(C) levigation
(D) magnetic separation
Correct Answer - Option (C)

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

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Shivam • 8.86K Points
Tutor III

10) The names of the scientists, Newlands, Mendeleev, and Meyer are associated with the development of

(A) atomic structure
(B) metallurgy
(C) periodic table of contents
(D) discovery of elements
Correct Answer - Option (C)

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

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