- (A) Steam reforming of naphtha and cracking of natural gas
- (B) Electrolysis of water
- (C) Cryogenic separation of hydrogen from coke oven gas
- (D) All
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- (A) Phosphorous pentoxide
- (B) Phosphorous oxychloride
- (C) Ammonium phosphate
- (D) Calcium phosphate
- (A) P
- (B) P2
- (C) P3
- (D) P4
- (A) Urea
- (B) Ammonium sulphate
- (C) Superphosphate
- (D) Potassium nitrate
- (A) Salt & coke
- (B) Sand & coke
- (C) And coke
- (D) And sand
- (A) In liquid phase
- (B) In vapour phase
- (C) At very high temperature
- (D) At very low pressure (vacuum)
- (A) Coke oven
- (B) Producer
- (C) Natural
- (D) Coal
- (A) Powder
- (B) Granules
- (C) Lumps
- (D) Flakes
- (A) During the early stage of growth to promote development of stem and leaves
- (B) For accelerating fruit formation in later stage of growth
- (C) To lessen the effect of excessive potash application
- (D) None of these
- (A) Exothermic
- (B) Endothermic
- (C) Autocatalytic
- (D) None of these
