Chemistry MCQs

General knowledge about Chemistry. Learn Chemistry MCQs Perfect for competitive exams and general awareness. Q1. Who discovered radioactivity?(a) Rutherford(b) Becquerel(c) Bohr(d) Madam Curie Show Answer (b) Becquerel Q2. Conversion of water into vapour is called-(a) natural(b) physical(c) chemical(d) biological Show Answer (b) physical Q3. The most abundant element in the earth’s crust is –(a) oxygen(b) … Read more