Chemical Process - Section 1

Directions to Solve

Chemical Process - Section 1

In the following section, you will find different problems and MCQs
related to chemical process and you can easily solve them to check your aptitude level.

1.

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. Let us discuss.

2.

In the Lurgi coal gasifier

A.	coking coals cannot be used.
B.	low carbon conversion efficiency is achieved.
C.	entrainment of solids is higher.
D.	large quantity of coal can be processed.

Answer: Option D

Explanation:

No answer description available for this question. Let us discuss.

3.

Raw materials used for producing __________ cement does not contain iron oxide.

A.	waterproof
B.	slag
C.	white
D.	pozzolan

Answer: Option C

Explanation:

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4.

The drug used in contraceptives is

A.	sulphadizene
B.	mestranol
C.	methyl salicylate
D.	pencillin

Answer: Option B

Explanation:

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5.

Which is the main reducing agent during production of iron from iron ore in a blast furnace ?

A.	C
B.	CO
C.	CO2
D.	H2

Answer: Option B

Explanation:

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6.

Pitch (a product of coal tar distillation) is always mixed with creosote oil, when it is to be burnt in a burner, because

A.	its calorific value is very less.
B.	tar neutralises the residual acids present in pitch.
C.	it reduces viscosity and imparts fluidity for its transportation through pipelines at economic pressure drop.
D.	all (a), (b) and (c).

Answer: Option C

Explanation:

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7.

Very fine suspended and colloidal impurities are removed from water by a process called

A.	sedimentation
B.	coagulation
C.	disinfection
D.	softening

Answer: Option B

Explanation:

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8.

Frasch process is for

A.	making oxygen
B.	producing helium
C.	mining sulphur
D.	making nitrogen

Answer: Option C

Explanation:

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