. . . . . . . . is used to make perfumes. It is also used as a delicious spice.
A. ethane
B. ester
C. benzene
D. propane
Answer: Option B
A. ethane
B. ester
C. benzene
D. propane
Answer: Option B
Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
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