General Knowledge : : Chemistry Questions & Answers
- Which is used as an air pollution indicator?
A. Algae
B. Fungi
C. Bacteria
D. Lichens
- Which disease is caused by Nickel?
A. Itai Itai
B. Dermatitis
C. Learning disability
D. Asthma
- The most electronegative element among the following is:
A. Sodium
B. Bromine
C. Fluorine
D. Oxygen
- What is the process of conversion of solid state directly to gaseous state called?
A. Evaporation
B. Condensation
C. Sublimation
D. Distillation
- The most commonly used bleaching agent is:
A. Alcohol
B. Carbon dioxide
C. Chlorine
D. Oxygen