Q11
The P2O5 in all fertilisers comes from
A.
DAP
B.
Sulphur
C.
Phosphate rock
AnswerD.
Electricity
Answer: Option C
Solution
Answer: Option C
Solution:
P2O5 is Triple super phosphate and it is concentrated superphosphate. It contains 46% of P2O5.This P2O5 in all fertilizers comes from Phosphate rock, a finite source formed over millions of years in the earth’s crust. About 90% of the world’s mined phosphate rock is used in agriculture and food production, mostly as fertilizer.