1.
Catalyst used in the oxidation of ammonia is

2.
NPK means a __________ fertiliser.

3.
Main component of bone ash is

4.
Fertilizer plant getting its hydrogen requirement partly from coke oven gas is situated at

5.
Raw materials required for the production of CAN (Calcium ammonium nitrate) is NH₃

6.
Maximum stability of white phosphorous is at

7.
Chemical formula of metaphosphoric acid is

8.
Ammonium sulphate fertiliser is

9.
Pick out the wrong statement.

10.
Biuret formation in urea is kept at minimum (< 1 %), because it is

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