Question

1. Which of the following pair of substances contain acids?
A: Grapes, Lime water
B. Vinegar, Soap
C. Curd, Milk of magnesia
D. Curd, Vinegar​

Answer 1

Answer:

D. Curd ,vineger

Explanation:

lactic acid is present in curd.

and vinegar is 10 percent solution of acetic acid.

hope it is useful.......

Answer 2

Answer:

curd contain latic acid and vinger contain acitic acid. lime water,soap,and milk of magnesia are basic substance and graphes contain tartaric acid.