General Knowledge : : Chemistry Questions & Answers
- The offending substance in the liquor tragedies leading to blindness etc. is:
A. Ethyl alcohol
B. Benzyl alcohol
C. Methyl alcohol
D. Amyl alcohol
- Which of the following is an active component of oil of clove?
A. Menthol
B. Eugenol
C. Methanol
D. Benzaldehyde
- Deficiency of which vitamin results in inflammation of skin and eczema along with diarrhoea?
A. Ascorbic acid
B. Folic acid
C. Nicotinic acid
D. Pantothenic acid
- The water pollution in river is measured by the dissolved amount of:
A. Chlorine
B. Ozone
C. Nitrogen
D. Oxygen
- The main active constituent of tea and coffee is:
A. nicotine
B. chlorophyll
C. caffeine
D. aspirin