(A) Gas
(B) Liquid
(C) Solid
(D) Mixture of gas and liquid
Answer: (D) Mixture of gas and liquid
Category: Chemistry MCQs Class 9
Chemistry solved multiple choice questions (MCQs) for class 9 with answers.
In which of the following processes speed of the particles decreases?
(A) Melting
(B) Boiling
(C) Sublimation
(D) Condensation
Answer: (D) Condensation
In Hydrogen Iodide (HI), the bond is:
(A) Non polar covalent bond
(B) Co-ordinate covalent bond
(C) Polar covalent bond
(D) Ionic bond
Answer: (C) Polar Covalent bond
Hydrogen bonding is involved in:
(A) Formation of crystals in NaCl
(B) Adhesive action of paints
(C) Van der Waal’s force
(D) Conductance of electricity
Answer: (B) Adhesive action of paints
Elements present in the same period of periodic table have same ________.
(A) Shielding effect
(B) Chemical properties
(C) Physical properties
(D) Number of valence electrons
Answer: (D) Number of valence electrons