Related Questions

Reaction of nitric acid and sulphuric acid with phosphate rock produces
A Nitrophosphate
B Diammonium phosphate
C Tricresyl phosphate
D Tributyl 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
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 orthophosphoric acid with phosphate rock produces
A Superphosphate
B Triple superphosphate
C Metaphosphoric acid
D Monoammonium phosphate
Reaction of __________ acid with phosphate rock produces superphosphates.
A Hydrochloric
B Sulphuric
C Nitric
D Phosphoric
Dilute sulphuric acid is transported in __________ pipes.
A Mild steel
B Lead
C Copper
D Special alloys
Action of phosphoric acid on rock phosphate produces
A Superphosphate
B Triple superphosphate
C Nitrophosphate
D Diammonium phosphate
Reaction of calcium fluorapatite with sulphuric acid produces
A Ortho-phosphoric acid
B Simple superphosphate
C Triple superphosphate
D Red phosphorous
The molecular mass of sulphuric acid is 98. If 49 g of the acid is dissolved in water to make one litre of solution, what will be the strength of the acid?
A Two normal
B One normal
C 0.5 normal
D Four normal
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

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