Chemistry MCQs quiz test questions with answers for FPSC CSS PPSC NTS SPSC KPPSC test preparation, including questions from chemistry past papers. Basic Chemistry MCQ of class 9, 10, 11, 12 and advanced Chemistry MCQs of BSc, MSc or Masters level.
(A) If the value of azimuthal quantum number (i) is zero, the electronic distribution has spherical symmetry.
(B) The spin quantum number (s) indicates the orientation of the spin of the nucleus with respect to a magnetic field.
(C) The magnetic quantum number (m) indicates the possible orientations of orbital in a magnetic field.
(D) None of these
The answer is: (B)
(A) protons, neutrons
(B) protons, electrons
(C) neutrons, electrons
(D) electrons, positrons
The answer is: (A) protons, neutrons
(A) protons, neutrons
(B) protons, electrons
(C) neutrons, electrons
(D) electrons, positrons
The answer is: (A) protons, neutrons
(A) 1.66054×10–15 kg
(B) 1.66054×10–19 kg
(C) 1.66054×10–23 kg
(D) 1.66054×10–27 kg
The answer is: (D) 1.66054×10–27 kg
(A) clouds
(B) pencil
(C) salt
(D) smoke
The answer is: (C) salt
(A) C6H12O6
(B) C12H22O11
(C) C6H12
(D) C12H22
The answer is: (B) C12H22O11
(A) conducting
(B) nonconducting
(C) poorly conducting
(D) B and C
The answer is: (A) conducting
(A) block
(B) base
(C) group
(D) period
The answer is: (D) period
(A) block
(B) base
(C) group
(D) period
The answer is: (C) group
(A) carbon-8
(B) carbon-12
(C) carbon-16
(D) carbon-20
The answer is: (B) carbon-12