Question: AYD, BVF, DRH, ?, KGL
[A].FMI
GMJ
GLJ
HLK
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
Leaching of phosphate rock by strong __________ acid produces phosphoric acid.
Question: Leaching of phosphate rock by strong __________ acid produces phosphoric acid.
[A].sulphuric
hydrochloric
either (a) or (b)
neither (a) nor (b)
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
__________ is the undesirable by-product produced in the manufacture of urea.
Question: __________ is the undesirable by-product produced in the manufacture of urea.
[A].Ammonium carbonate
Biuret
Carbon dioxide
Ammonium carbamate
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
‘Frozen ruts’ means
Question: ‘Frozen ruts’ means
[A].very cold roads
wheel marks in which frost had become hard
the road covered with frost
hard roads covered with snow
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Fertiliser produced during soda ash manufacture by dual process is ammonium
Question: Fertiliser produced during soda ash manufacture by dual process is ammonium
[A].chloride
sulphate
nitrate
none of these
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
__________ is the most suitable fertiliser for paddy.
Question: __________ is the most suitable fertiliser for paddy.
[A].Urea
Ammonium sulphate
Superphosphate
Potassium nitrate
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Catalyst used in ammonia synthesis uses __________ as a promoter.
Question: Catalyst used in ammonia synthesis uses __________ as a promoter.
[A].Pt
K2O
Al2O3
Ni
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Ammonium nitrate (a fertiliser) is coated with limestone powder to
Question: Ammonium nitrate (a fertiliser) is coated with limestone powder to
[A].increase its nitrogen content.
cut down its production cost.
avoid the risk of explosion.
add extra nutrient as fertiliser.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about __________ percent.
Question: During nitric acid manufacture, catalytic oxidation of ammonia at 800°C in presence of platinum catalyst produces nitrogen oxide. Conversion of NH3 to NO is about __________ percent.
[A].38
68
82
98
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
A fertiliser contains 82% N2. It could be
Question: A fertiliser contains 82% N2. It could be
[A].urea
liquid NH3
ammonium nitrate
none of these
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.