Question: Dehydration of ammonium carbamate produces
[A].urea
biuret
ammonia water
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Fertiliser Technology
Calcium ammonium nitrate (CAN) is
Question: Calcium ammonium nitrate (CAN) is
[A].a mixed fertiliser
a straight fertiliser
a complex fertiliser
not a fertiliser ; it is an explosive
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
NPK fertiliser is a __________ fertiliser.
Question: NPK fertiliser is a __________ fertiliser.
[A].complex
mixed
nitrogenous
phosphatic
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Base suspension fertiliser essentially contains
Question: Base suspension fertiliser essentially contains
[A].13% N2 and 43% P2O5
43% N2 and 13% P2O5
43% N2 and 13% K2O
43% K2O and 43% P2O5
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Effectiveness of a fertiliser is independent of the
Question: Effectiveness of a fertiliser is independent of the
[A].nature of soil
type of crop
pH of soil
none of these
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Iron is not used alone as a catalyst in ammonia synthesis, because
Question: Iron is not used alone as a catalyst in ammonia synthesis, because
[A].its activity declines rapidly, if heated to above 520°C.
it decomposes ammonia.
it gets oxidised above 500°C.
none of these.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Gas based fertiliser plants use
Question: Gas based fertiliser plants use
[A].natural gas as a source of hydrogen.
natural gas as heating medium.
coal gas as a source of hydrogen.
coal gas as heating medium.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.
Question: Neutralisation of nitric acid with ammonia to produce ammonium nitrate is a/an __________ reaction.
[A].catalytic
endothermic
exothermic
autocatalytic
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
In calcium ammonium nitrate (CAN) fertil-ser
Question: In calcium ammonium nitrate (CAN) fertil-ser
[A].nitrate nitrogen is quick acting
ammoniacal nitrogen is quick acting
nitrate nitrogen is slower acting
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.
Question: Dehydration of ammonium carbamate to yield urea is a/an __________ reaction.
[A].exothermic
endothermic
autocatalytic
catalytic
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.