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Chemistry Class 12 Chapter 15
Common Chemical Industries in Pakistan
Test 6
1.
Urea contains?
30%N
46% N
50%N
44%N
2.
Phosphate fertilizer contains?
16%N
None of these
Both a and b
18%N
3.
Phosphate fertilizer fulfill nutrients requirement of plants?
60%
50%
75%
70%
4.
Nitrogenous fertilizer supply?
Phosphorous
Potassium
All of these
Nitrogen
5.
Ammonia used in fertilizer as?
Solid
Gas
Liquid
All of these
6.
Ammonium nitrate increases?
Acidity of soil
None of these
Basicty of soil
7.
Phosphate fertilizer supply?
Phosphorus
Ammonia
Nitrogen
Potassium
8.
Which element commonly used in potassium fertilizer?
Calcium nitrate
Potassium nitrate
None of these
Ammonium nitrate
9.
Potassium fertilizer supply?
Potassium
Nitrogen
Ammonia
Phosphorus
10.
Carbon dioxide and liquid ammonia prepared?
None of these
Calcium
Ammonia
Urea
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