General Knowledge : : Chemistry Questions & Answers

  1. The nucleus of an atom consists of:

A. electrons and neutrons

B. electrons and protons

C. protons and neutrons

D. electrons

  1. Who discovered electron?

A. James Chadwick

B. J. J. Thomson

C. Newton

D. Eugen Goldstein

  1. Which of the following is a monatomic gas?

A. Nitrogen

B. Chlorine

C. Oxygen

D. Neon

  1. The most important ore of aluminium is?

A. Calamine

B. Galena

C. Bauxite

D. Calcite

  1. Which is the purest form of iron?

A. Pig iron

B. Wrought iron

C. Steel

D. Cast iron