Question: __________ catalyst is used in the production of urea from CO2 and NH3.
[A].Vanadium pentoxide
No
Alumina
Nickel
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
CHEMICAL ENGINEERING
Ammonium nitrate is
Question: Ammonium nitrate is
[A].having about 40% N2.
not hygroscopic.
not prone to explosive thermal decomposition.
mixed with limestone powder to reduce its explosive nature before using it as a fertilizer.
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
__________ is not a fertiliser.
Question: __________ is not a fertiliser.
[A].Calcium ammonium nitrate
Ferrous sulphate
Liquid ammonia
Ammonium sulphate
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Main constituent of phosphate rock is
Question: Main constituent of phosphate rock is
[A].ammonium phosphate
flour apatite
calcium fluoride
calcium phosphate
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Both white phosphorous as well as red phosphorous
Question: Both white phosphorous as well as red phosphorous
[A].are soluble in CS2.
burns when heated in air.
reacts with hot caustic soda solution to give phosphine.
all (a), (b), and (c).
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
CaH4(PO4)2 is the chemical formula of
Question: CaH4(PO4)2 is the chemical formula of
[A].superphosphate
triple superphosphate
calcium phosphate
meta phosphoric acid
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Heating of orthophosphoric acid to 250°C produces
Question: Heating of orthophosphoric acid to 250°C produces
[A].metaphosphoric acid
pyrophosphoric acid
no change in it
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Heating of orthophosphoric acid to about 900°C, produces
Question: Heating of orthophosphoric acid to about 900°C, produces
[A].metaphosphoric acid
pyrophosphoric acid
no change in it
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Low grade coal is __________ to produce ammonia synthesis gas.
Question: Low grade coal is __________ to produce ammonia synthesis gas.
[A].hydrogenated
liquefied
gasified
dehydrogenated
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
In natural gas, the C/H ratio (by weight) varies in the range of
Question: In natural gas, the C/H ratio (by weight) varies in the range of
[A].3-4
8-10
15-17
20-25
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.