Which of the following pairs of acid and the substance in which it is found is incorrectly matched?
A. Ascorbic acid ⟺ Tamarind
B. Lactic acid ⟺ Curd
C. Oxalic acid ⟺ Spinach
D. Acetic acid ⟺ Vinegar
Answer: Option A
A. Ascorbic acid ⟺ Tamarind
B. Lactic acid ⟺ Curd
C. Oxalic acid ⟺ Spinach
D. Acetic acid ⟺ Vinegar
Answer: Option A
Traditional 'battery' contains which of the following chemicals?
A. Ethylene glycol
B. Sulphuric acid
C. Sodium bicarbonate
D. Ethanol
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