(A) Formic acid
(B) Lactic acid
(C) Tartaric acid
(D) Citric acid
Answer: (C) Tartaric acid
Category: Chemistry MCQs Class 9
Chemistry solved multiple choice questions (MCQs) for class 9 with answers.
Compound which can accept a proton is called _____.
(A) Bronsted acid
(B) Bronsted base
(C) Lewis acid
(D) Lewis base
Answer: (B) Bronsted base
Which of the following quantities will contain a mole of Oxygen gas?
(A) 32 gm of O2
(B) 14 gm of CO
(C) 16 gm of O2
(D) 64 gm of O2
Answer: (A) 32 gm of O2
which of the following elements is the most metallic?
(A) Al
(B) Na
(C) Mg
(D) Li
Answer: (B) Na
Oxidation state of Cr in K2Cr2O7 is _____.
(A) 12
(B) 6
(C) 3
(D) Zero
Answer: (B) 6