(A) Rutherford
(B) Graham
(C) Lewis
(D) Bohr
Answer: (B) Graham
Category: Chemistry MCQs Class 9
Chemistry solved multiple choice questions (MCQs) for class 9 with answers.
The example of a solution in which gas is solute and solid is solvent _____.
(A) Air
(B) Alcohol in water
(C) Hydrogen gas absorbed in Palladium
(D) Smoke
Answer: (C) Hydrogen gas absorbed in Palladium
The solubility of which compound decreases with increase in temperature?
(A) NaNO3
(B) Li2CO3
(C) AgNO3
(D) KCl
Answer: ()
In copper plating, the electrolyte used is _____.
(A) K2SO4
(B) CuSO4
(C) Cr2(SO4)3
(D) PbSO4
Answer: (B) CuSO4
The percentage by mass of Sulphuric acid in a fully charged lead storage battery is _____.
(A) 30%
(B) 25%
(C) 15%
(D) 20%
Answer: (D) 20%