Chemistry Multiple Choice Questions (MCQ)
1-A system in which no thermal energy passes into or out of the system is called
(A) a reversible system
(B) a closed system
(C) an open system
(D) adiabatic system
2-Following is common salt
3-NaCl is an example of
(A) Molecular solid
(B) Metallic solid
(C) Ionic solid
(D) Covalent solid
4-The difference in the potential energy between the reactants and the activated complex is
(A) Potential energy
(B) Threshold energy
(C) Free energy
(D) Activation energy
5-The emf of the standard hydrogen electrode is ___ volts.
6-The reference material used in NMR spectroscopy
7-Following is the source of NMR spectrum
(A) Radio frequency
(B) Gamma rays
(C) Infrared region
8-If a nucleus does not spin, then its spin quantum number is
9-Disinfectant used for domestic and hospital use is
10-Which inorganic gas is used as anesthetics?
11-Which element has the highest first ionization energy?
12-What is the shape of p-orbital?
13-The rate of reaction will ___ with the increase in temperature.
(B) remain same
1-(D), 2-(D), 3-(C), 4-(D), 5-(D), 6-(D), 7-(A), 8-(D), 9-(D), 10-(D), 11-(A), 12-(B), 13-(C)