Which of the following is an ester?
A. CH3COOH
B. CH3COCH3
C. CH3COOC2H5
D. CH3CHO
Answer: Option C
A. CH3COOH
B. CH3COCH3
C. CH3COOC2H5
D. CH3CHO
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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