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Chemistry MCQ Questions with answers
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Learn Chemistry MCQs [Page 1
of Department 7]
1) Atomic number is the number equal to
(A) Protons
(B) Electrons
(C) Neutrons
(D) None of the above
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
2) Rutherford’s scattering experiment proved the presence of
(A) Atoms in all matter
(B) Electrons in atoms
(C) Neutrons in atoms
(D) Nucleus in atoms
Correct Answer - Option
(D)
No Explanation found. Add Explanation and get +2 points.
3) Number of neutrons in an atom of hydrogen is
(A) One
(B) Zero
(C) Two
(D) Three
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
4) The atomic number of carbon is 6 and its atomic mass is 12. How many are there protons in the nucleus of carbon ?
(A) 6
(B) 12
(C) 18
(D) 0
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
5) An atom of an element has atomic number 17 and mass number 36. The number of neutrons in its nucleus is
(A) 17
(B) 19
(C) 36
(D) 53
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
6) Atoms of same element having different mass numbers are called________
(A) Isobars
(B) Isotopes
(C) Isotones
(D) Isomers
Correct Answer - Option
(B)
No Explanation found. Add Explanation and get +2 points.
7) How many neutrons does iron have?
(A) 8
(B) 13
(C) 26
(D) 30
Correct Answer - Option
(D)
No Explanation found. Add Explanation and get +2 points.
8) The electronic configuration of an atom having atomic number ‘20’ is
(A) 2, 8, 10
(B) 2, 6, 8, 4
(C) 2, 8, 8, 2
(D) 2, 10, 8
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
9) Nucleus of an atom consists of.
(A) Proton
(B) Neutron
(C) Proton and Neutron
(D) Electron, Proton and Neutron
Correct Answer - Option
(C)
No Explanation found. Add Explanation and get +2 points.
10) Which of the following is not oxidation?
(A) precipitation
(B) digestion of food
(C) respiration
(D) combustion
Correct Answer - Option
(A)
No Explanation found. Add Explanation and get +2 points.
You are learning MCQ Questions of Chemistry Department : 7 | Page : 1
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