Related Questions

Tricresyl phosphate is chemically represented as
A (CH3C6H4)3 PO4
B Ca10(PO4) 3F6
C (NH4)2 HPO4
D NH4H2PO4
Pine oil and cresylic acid are used as __________ in the froth floatation process.
A Frother
B Collector
C Depressor
D Conditioner
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 __________ acid with phosphate rock produces superphosphates.
A Hydrochloric
B Sulphuric
C Nitric
D Phosphoric
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
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
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

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