Home: Chemistry MCQs
Q. The reason of unusual physical properties of water is due to the presence of
(A) Covalent bond
(B) Coordinate covalent Bond
(C) Hydrogen bonding
(D) None of these
The answer is: (C) Hydrogen bonding ☑
Q. The density of water is one gram per centimeter cube at
(A) 60 °C
(B) 4 °C
(C) 100 °C
(D) 0 °C
The answer is: (B) 4 °C ☑
Q. The enormous quantity of water present on earth surface acts as giant thermostat due to its high
(A) Density
(B) Boiling Point
(C) Latent heat values
(D) Heat Capacity
The answer is: (D) Heat Capacity ☑
Q. The “latent heat of fusion” of water is
(A) 4.01 kj/mol
(B) 5.01 kj/mol
(C) 6.01 kj/mol
(D) 7.01 kj/mol
The answer is: (C) 6.01 kj/mol ☑
Q. Dielectric constant of water at 18 °C is
(A) 80
(B) 90
(C) 100
(D) 110
The answer is: (A) 80 ☑