Chemical Process - Section 1 (3)

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.

17.

Which of the following is not a raw material used for the manufacture of ordinary glass?

A.	Iron oxide
B.	Soda ash
C.	Limestone
D.	Silica

Answer: Option A

Explanation:

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

18.

Mineral oils (e.g. petroleum oils) are preferred over fatty oils (e.g. mustard oil, ghee, tallow, palm oil, olive oil etc.) as a lubricant due to its

A.	poor oxidation stability and high gum forming tendency.
B.	greater tendency of decomposition at elevated temperature.
C.	hydrolysis tendency in presence of water.
D.	all (a), (b) and (c).

Answer: Option D

Explanation:

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19.

Phosphate rock is a raw material for the manufacture of

A.	phosphoric acid
B.	phosphorous
C.	superphosphates
D.	all (a), (b) and (c)

Answer: Option D

Explanation:

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20.

Sulphur addition in soap is done to

A.	improve the soap texture.
B.	cure pimples & dandruff.
C.	fasten lather formation.
D.	increase its cleansing action.

Answer: Option B

Explanation:

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21.

Which of the following is an organo-metal-lic compound ?

A.	Isopropyl alcohol
B.	Tetra-ethyl lead
C.	Zeolite
D.	Cumene

Answer: Option B

Explanation:

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22.

Hard waterHard water

A.	does not affect the lather formation by soap.
B.	is not unfit for drinking purpose.
C.	pollutes the water stream.
D.	all (a), (b) and (c).

Answer: Option B

Explanation:

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23.

Neoprene is the trade name of

A.	polyurathane
B.	phenol formaldehyde
C.	polychloroprene
D.	styrene-butadiene rubber

Answer: Option C

Explanation:

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24.

Producer gas consists mainly of

A.	CO, CO2 N2, H2
B.	CO, H2
C.	H2, CH4
D.	C2H2, CO2, H2

Answer: Option A

Explanation:

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