Related Questions

Reaction of nitric acid and sulphuric acid with phosphate rock produces
A Nitrophosphate
B Diammonium phosphate
C Tricresyl phosphate
D Tributyl phosphate
Leaching of phosphate rock by strong __________ acid produces phosphoric acid.
A Sulphuric
B Hydrochloric
C Either A or B
D Neither A nor B
Reaction of dilute sulphuric acid with phosphate rock produces
A Phosphoric acid
B Superphosphate
C Triple superphosphate
D Gypsum
Reaction of orthophosphoric acid with phosphate rock produces
A Superphosphate
B Triple superphosphate
C Metaphosphoric acid
D Monoammonium phosphate
Action of phosphoric acid on rock phosphate produces
A Superphosphate
B Triple superphosphate
C Nitrophosphate
D Diammonium phosphate
Reaction of cresylic acid with __________ produces tricresyl phosphate.
A Phosphorous pentoxide
B Phosphorous oxychloride
C Ammonium phosphate
D Calcium phosphate
Sulphuric acid is mixed with ground phosphate rock (to produce phosphoric acid) in a steel digestor lined with
A Acidic refractory
B Rubber
C Karbate
D Lead or acid-proof bricks
K produces 100 parts twice as fast as G does. G produces 100 parts in 40 minutes. If each produces parts at a constant rate, how many parts will K produces in 6 minutes.
A 30
B 25
C 20
D 15
Heating a mixture of phosphate rock, coke and sand in an electric furnace produces
A Phosphoric acid
B Ammonium phosphate
C Phosphorous
D Superphosphate
Triple superphosphate is made by reacting phosphate rock with __________ acid.
A Phosphoric
B Nitric
C Sulphuric
D Hydrochloric

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