Question

Identify the wrong statement and correct them.
i) Sodium benzoate is used in food preservative.
ii) Nitric acid is not used as fertilizer in agriculture.
iii) Sulphuric acid is called the king of chemicals.
iv) The $pH$ of acid is greater than 7.
v) Acetic acid is used in aerated drinks.

Answer 1

$\left(ii\right)$ Small concentrations of $HN{O}_3$ is used as a fertilizer

$\left(iv\right)$ $pH$ of acid is less than $7$.

$\left(v\right)$ Acetic acid is vinegar, not used in aerated drinks.