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. Nitrogen
B. Chlorine
C. Oxygen
D. Neon
- The most important ore of aluminium is?
A. Calamine
B. Galena
C. Bauxite
D. Calcite
- Which is the purest form of iron?
A. Pig iron
B. Wrought iron
C. Steel
D. Cast iron