Functional group -CHO is present in which of the following?
A. Ketone
B. Alcohol
C. Aldehyde
D. Carboxylic acid
Answer: Option C
A. Ketone
B. Alcohol
C. Aldehyde
D. Carboxylic acid
Answer: Option C
Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
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