CHEMICAL ENGINEERING

Question: Hypo (sodium thiosulphate) because of its complex forming behaviour is used in photography to remove undecomposed silver bromide as a soluble complex for __________ of the picture.
[A].

printing

[B].

developing

[C].

colour

[D].

fixation

Answer: Option B

Explanation:

No answer description available for this question.

Question: Nuclear fission of one atom of uranium-235 produces the energy equivalent to about __________ MeV.
[A].

20

[B].

200

[C].

500

[D].

1000

Answer: Option B

Explanation:

No answer description available for this question.

Question: Blasting of tri-nitro-toluene (TNT) is done by mixing it with ammonium
[A].

nitrate

[B].

sulphate

[C].

carbonate

[D].

chloride

Answer: Option A

Explanation:

No answer description available for this question.

Question: Lead is most readily dissolved in
[A].

acetic acid

[B].

hydrochloric acid

[C].

nitric acid

[D].

sulphuric acid

Answer: Option A

Explanation:

No answer description available for this question.

Question: First empirical temperature scale conceived is the __________ temperature scale.
[A].

Absolute

[B].

Reaumer

[C].

Farenhite

[D].

Celcius

Answer: Option C

Explanation:

No answer description available for this question.

Question: Glass reacts with
[A].

H2SO3

[B].

HF

[C].

HNO3

[D].

K2Cr2O7

Answer: Option B

Explanation:

No answer description available for this question.

Question: According to thermodynamic Farenhite scale, the fundamental interval between ice point to steam point is
[A].

180°

[B].

212°

[C].

32°

[D].

273°

Answer: Option A

Explanation:

No answer description available for this question.

Question: Which of the following rays has the least wavelength?
[A].

Ultraviolet rays

[B].

Infrared rays

[C].

Cosmic rays

[D].

X-rays

Answer: Option C

Explanation:

No answer description available for this question.

Question: A colloidal system, in which a liquid is dispersed in gas is called a/an
[A].

gel

[B].

aerosol

[C].

foam

[D].

emulsion

Answer: Option B

Explanation:

No answer description available for this question.

Question: Fog is an example of colloidal system of
[A].

solid dispersed in gas.

[B].

solid dispersed in liquid.

[C].

liquid dispersed in gas.

[D].

gas dispersed in liquid.

Answer: Option C

Explanation:

No answer description available for this question.