Chemistry MCQs Quiz Test Questions with Answers

Chemistry MCQs Questions with Answers Test. Basic chemistry quiz online test. The following chemistry multiple choice questions and answers are from basics of chemistry, inorganic chemistry, organic chemistry, and general knowledge of the chemistry subject. Link to Chemistry MCQs (PDF) is given below.

Chemistry MCQs

1. Isotopes are atoms of the same element with different numbers of
(A) Protons
(B) Electrons
(C) Neutrons
(D) Positron

ANSWER: CHEMISTRY MCQ
1. (C) Neutrons. See below for regular chemistry questions. Answers to these chemistry quiz are given after the fifth chemistry MCQ.

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1. Each day human body breathe in _______ liters of air.
(A) 5,000 to 10,000
(B) 10,000 to 15,000
(C) 15,000 to 20,000
(D) 20,000 to 25,000

2. The most abundant element in the universe is
(A) Hydrogen
(B) Oxygen
(C) Carbon dioxide
(D) Silicon

3. The substance which increases the rate of chemical reaction is
(A) Metal
(B) Catalyst
(C) Alloy
(D) Enzymes

4. The average human body contains about _______ gram of Sodium Chloride.
(A) 190
(B) 210
(C) 230
(D) 250

5. pH is an abbreviation for?
(A) Power of Hydrogen
(B) Possibility of Hydrogen
(C) Population of Hydrogen
(D) Position of Hydrogen

ANSWERS: CHEMISTRY MCQS
1. (C) 15,000 to 20,000
2. (A) Hydrogen
3. (B) Catalyst
4. (D) 250
5. (A) Power of Hydrogen Next: Chemistry Quiz 6–10

Chemistry MCQs (PDF)
Download the Chemistry Multiple Choice Questions (MCQs) in PDF from this page.