Which oxide of nitrogen is produced by heating lead nitrate ?

Give example of oxide of nitrogen prepared by heating lead nitrate.

The oxide of nitrogen obtained on heating lead nitrate is ................

Which one is a nitrogen fixer?

The oxide of nitrogen obtained by dehydration of nitric acid with phosphorus pentoxide is

Which of the following oxides of nitrogen is called laughing gas ?

Give example of oxide of nitrogen colourless gas having oxidation state of N equal to 5.

Name the following : The chief nitrogenous waste product in the human urine and the organ which produces it.?

how many kilocalories of energy are produced by the oxidation of one gram of carbohydrates?

Name the oxide of nitrogen Causes pollution problem.

Friction produces heat. How ?