When milk turns sour, . . . . . . . . is produced.
A. lactose
B. lactic acid
C. salicylic acid
D. linoleic acid
Answer: Option C
A. lactose
B. lactic acid
C. salicylic acid
D. linoleic acid
Answer: Option C
Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
Lactic acid not salicylic acid