Question

Vinegar has a pH of 2. Vinegar _______.

a. is an acid

b. could be either an acid or a base

c. is a neutral substance

d. is a base

Answer 1

vinegar is an acid because it is 5-20% acid.

Answer 2

Answer: a. is an acid

Explanation: An acid is substance which donates
`H^+` ions when dissolved in water. A base is a substance which gives
`OH^-` when dissolved in water.

pH is the measure of acidity or alkalinity of a solution. Acids have pH ranging from 1 to 6.9. Bases have pH ranging from 7.1 to 14. Neutral solutions have pH of 7.

The chemical formula for vinegar is
`CH_3COOH`

`CH_3COOH\rightarrow CH_3COO^-+H^+`