Question: CaCl(OCl) is the chemical formula of
[A].hypo
bleaching powder
plaster of paris
aqua regia
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
CHEMICAL ENGINEERING
Commercial production of calcium carbide requires limestone and __________ as raw materials.
Question: Commercial production of calcium carbide requires limestone and __________ as raw materials.
[A].coke
sand
soda ash
fuel oil
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
Question: With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
[A].increases
increases linearly
decreases
decreases linearly
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
__________ process is used for the manufacture of sodium carbonate by ammonia soda process.
Question: __________ process is used for the manufacture of sodium carbonate by ammonia soda process.
[A].Ostwald’s
Bosch
Solvay
Haber’s
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Extraction of __________ employs an electrolytic process.
Question: Extraction of __________ employs an electrolytic process.
[A].aluminium
silver
copper
all (a), (b) and (c)
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
__________ is an ore concentrating metallurgical process involving a chemical change.
Question: __________ is an ore concentrating metallurgical process involving a chemical change.
[A].Electromagnetic separation
Froth floatation
Roasting
none of these
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Neon gas is
Question: Neon gas is
[A].flammable in nature.
used in color discharge tube.
filled in lamps having tungsten filament.
all (a), (b) and (c).
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
__________ is a polysacchride.
Question: __________ is a polysacchride.
[A].Maltose
Starch
Sucrose
Glucose
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
Question: Zeolite removes both temporary as well as permanent hardness of water by precipitating calcium and magnesium present in water as insoluble zeolites. Used zeolite is regenerated by flushing with the solution of
[A].calcium sulphate
sodium chloride
sodium sulphate
magnesium chloride.
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
H2S is scrubbed from refinery gases by absorption using
Question: H2S is scrubbed from refinery gases by absorption using
[A].dilute H2SO4
ethanol amine
chilled water
tri-butyl phosphate
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.