Haber Bosch Process

Q.

For the laboratory preparation of hydrogen, give the following

(a) materials used,

(b) method of collection,

(c) chemical equation,

(d) a fully labelled diagram.

Q. <!--td {border: 1px solid #ccc;}br {mso-data-placement:same-cell;}--> Why limewater turns milky when ${\text{CO}}_2$ is passed through it.

Q. Industrially, ammonia is obtained by direct combination between nitrogen and hydrogen. The formation of ammonia is promoted at:

1. 1000 atm
2. 200 atm
3. 25 atm
4. 1 atm

Q.

Industrially, ammonia is obtained by direct combination between nitrogen and hydrogen.
(a) Write the correctly balanced equation for the direct combination of nitrogen with hydrogen.
(b) Which of the metals iron, platinum and copper catalyst this direct combination?
(c) Is the formation of ammonia promoted by the use of high pressure or low pressure?

Q.

Give examples of catalyst.