Write the formula for nitric acid, the name of the process to make it, and the balanced equation for its reaction with calcium hydroxide.

here are the answers for Question 4:

i) The correct formula for nitric acid is:

$$\boxed{\text{HNO}_3}$$

ii) The correct name of the process in making nitric acid is:
Ostwald process

iii) A complete balanced equation when nitric acid reacts with calcium hydroxide (states are not required):

$$2\text{HNO}_3 + \text{Ca(OH)}_2 \to \text{Ca(NO}_3)_2 + 2\text{H}_2\text{O}$$