Catalyst used in ammonia synthesis uses ____________ as a promoter?
Catalyst used in ammonia synthesis uses ____________ as a promoter?
A. Pt
B. K2O
C. Al2O3
D. Ni
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H4P2O7 is the chemical formula of _____________ phosphoric acid?
H4P2O7 is the chemical formula of _____________ phosphoric acid?A. Pyro
B. Ortho
C. Meta
D. None of theseWhich is the most suitable fertiliser for paddy ?
Which is the most suitable fertiliser for paddy ?A. CAN
B. Ammonium sulphate
C. Ammonium nitrate
D. SuperphosphateRock phosphate constitutes mainly of___________________?
Rock phosphate constitutes mainly of___________________?A. Fluorapatite
B. Di-calcium phosphate
C. Mono-calcium phosphate
D. Di-ammonium phosphateConditioners like finely divided peat are added to the fertiliser to________________?
Conditioners like finely divided peat are added to the fertiliser to________________?A. Counteract burning
B. Avoid caking & hardening
C. Produce bulk
D. Increase its solubilityThe essential ingredient of all the synthesis gas is___________________?
The essential ingredient of all the synthesis gas is___________________?A. H2
B. O2
C. CO2
D. N2Out of the following, N2 content is minimum in_____________________?
Out of the following, N2 content is minimum in_____________________?A. Urea
B. Ammonium nitrate
C. Ammonium sulphate
D. Ammonium chloride