Question

Which of the following sets of substances contains acids?
(a) Grapes, lime water
(b) Vinegar, soap
(c) Curd, milk of magnesia
(d) Curd, vinegar

Answer 1

Answer:

curd contain lactic acid and vinegar contain acetic acid .lime water ,soap and milk of magnesia are basic substance and grapes contain tartaric acid.

Explanation:

( i hope its hlep u)

Answer 2

Curd and vinegar contain acids.

• Grapes contain acid because it tastes sour but lime water is a base.
• Vinegar contains an acid called acetic acid because it tastes sour but sop is a base.
• Curd contains lactic acid and tastes sour but the milk of magnesia is a base.
• Curd contains lactic acid and vinegar contains acetic acid.
• Hence the correct option is d.