Question: H4P2O7 is the chemical formula of __________ phosphoric acid.
[A].pyro
ortho
meta
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Fertiliser Technology
H3PO4 is the chemical formula of __________ phosphoric acid.
Question: H3PO4 is the chemical formula of __________ phosphoric acid.
[A].pyro
ortho
meta
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.
Question: Conversion of yellow phosphorous to red phosphorous is done by heating it in covered retorts at __________ °C in absence of air.
[A].50-80
250-400
1000-1200
800-900
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Heating a mixture of phosphate rock, coke and sand in an electric furnace produces
Question: Heating a mixture of phosphate rock, coke and sand in an electric furnace produces
[A].phosphoric acid
ammonium phosphate
phosphorous
superphosphate
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Nitrogen content of a nitrogenous fertiliser is 35%. It could be
Question: Nitrogen content of a nitrogenous fertiliser is 35%. It could be
[A].urea
ammonium nitrate
calcium ammonium nitrate (CAN)
ammonium sulphate
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.
Question: Dehydration of ammonium carbamate (to produce urea) is a/an __________ reaction.
[A].reversible
catalytic
exothermic
endothermic
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction.
Question: Formation of ammonium carbamate by reaction of NH3 with CO2 is a/an __________ reaction.
[A].catalytic
exothermic
endothermic
reversible
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Color of nitric acid is light yellow due to the presence of
Question: Color of nitric acid is light yellow due to the presence of
[A].NO
NO2
N2H5
NH3
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Ammonia synthesis gas is produced from natural gas by
Question: Ammonia synthesis gas is produced from natural gas by
[A].thermal cracking
steam reforming
partial oxidation
hydrogenation
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber’s process ?
Question: Which of the following set of conditions is favourable for the maximum yield of ammonia by Haber’s process ?
[A].High pressure, low reactants concentration, high temperature.
High pressure, low reactants concentration, low temperature.
High pressure, high reactants concentration, low temperature.
Low pressure, high reactants concentration, low temperature.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.