By which organic compound all the oils are known?
A. Carbohydrate
B. Protein
C. Hydrocarbon
D. Ester
Answer: Option C
A. Carbohydrate
B. Protein
C. Hydrocarbon
D. Ester
Answer: Option C
Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
Join The Discussion