What is the chemical formula of glycerol?
A. C2H5O2
B. C3H7OH
C. C3H5OH
D. C3H8O3
Answer: Option D
A. C2H5O2
B. C3H7OH
C. C3H5OH
D. C3H8O3
Answer: Option D
Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
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