(A) E
(B) H
(C) Q
(D) W
Answer: (B) H
Heat absorbed or released during a chemical process at constant pressure is equal to H.
Author: MCQsLoader
Which of the following molecules has two π (pi) bond?
(A) CH4
(B) C2H4
(C) N2
(D)O2
Answer: (C) N2
N2 molecule has two pi bonds.
No two electrons in an atom can have a same set of four quantum number is:
(A) Newton’s first law
(B) Hund’s Rule
(C) Pauli Exclusion Principle
(D) Aufbau rule
Answer: (C) Pauli Exclusion Principle
No two electrons in an atom can have a same set of four quantum number is Pauli Exclusion Principle.
Alpha rays are:
(A) Neutron
(B) Electron
(C) Proton
(D) Helium Nuclei
Answer: (D) Helium Nuclei
Alpha rays are helium nuclei.
Surface tension of liquid is independent of:
(A) Temperature
(B) Nature of Liquid
(C) Intermolecular forces
(D) Area of Liquid surface
Answer: (D) Area of Liquid surface
Surface tension of liquid is independent of liquid surface.