Chemical Process

Question: With increase in temperature, the equilibrium constant at constant pressure (Kp) for oxidation of sulphur dioxide
[A].

increases

[B].

increases linearly

[C].

decreases

[D].

decreases linearly

Answer: Option C

Explanation:

No answer description available for this question.

Question: __________ process is used for the manufacture of sodium carbonate by ammonia soda process.
[A].

Ostwald’s

[B].

Bosch

[C].

Solvay

[D].

Haber’s

Answer: Option C

Explanation:

No answer description available for this question.

Question: Extraction of __________ employs an electrolytic process.
[A].

aluminium

[B].

silver

[C].

copper

[D].

all (a), (b) and (c)

Answer: Option A

Explanation:

No answer description available for this question.

Question: __________ is an ore concentrating metallurgical process involving a chemical change.
[A].

Electromagnetic separation

[B].

Froth floatation

[C].

Roasting

[D].

none of these

Answer: Option C

Explanation:

No answer description available for this question.

Question: Neon gas is
[A].

flammable in nature.

[B].

used in color discharge tube.

[C].

filled in lamps having tungsten filament.

[D].

all (a), (b) and (c).

Answer: Option B

Explanation:

No answer description available for this question.

Question: __________ is a polysacchride.
[A].

Maltose

[B].

Starch

[C].

Sucrose

[D].

Glucose

Answer: Option B

Explanation:

No answer description available for this question.

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

[B].

sodium chloride

[C].

sodium sulphate

[D].

magnesium chloride.

Answer: Option B

Explanation:

No answer description available for this question.

Question: H2S is scrubbed from refinery gases by absorption using
[A].

dilute H2SO4

[B].

ethanol amine

[C].

chilled water

[D].

tri-butyl phosphate

Answer: Option B

Explanation:

No answer description available for this question.

Question: Magnesium and calcium __________ cause temporary hardness of water.
[A].

carbonates

[B].

bicarbonates

[C].

phosphates

[D].

sulphates

Answer: Option B

Explanation:

No answer description available for this question.

Question: Isopropyl benzene produced by alkylation of benzene with propylene is known as
[A].

neoprene

[B].

cumene

[C].

gelatin

[D].

mercaptans

Answer: Option B

Explanation:

No answer description available for this question.