General Knowledge : : Chemistry Questions & Answers
- The nucleus of an atom consists of:
A. electrons and neutrons
B. electrons and protons
C. protons and neutrons
D. electrons
- Who discovered electron?
A. James Chadwick
B. J. J. Thomson
C. Newton
D. Eugen Goldstein
- Which of the following is a monatomic gas?
A. Chlorine
B. Nitrogen
C. Oxygen
D. Neon
- The most important ore of aluminium is?
A. Bauxite
B. Calcite
C. Calamine
D. Galena
- Which is the purest form of iron?
A. Wrought iron
B. Steel
C. Cast iron
D. Pig iron