Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?

Byadmin February 13, 2019August 22, 2021

Function of sodium thiosulphate (hypo) in development of photographic film/plate is to______________?

A. Brighten the faint images
B. Remove metallic silver
C. Convert silver chloride to silver
D. Remove unexposed silver halide

Chemical Process

The manufacture of Kraft pulp is done by a/an _________________ process?

The manufacture of Kraft pulp is done by a/an _________________ process?

A. Alkaline
B. Acidic
C. Neutral
D. None of these

Read More The manufacture of Kraft pulp is done by a/an _________________ process?
Chemical Process

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is __________________?

Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is __________________?

A. A slow reaction
B. A discontinuous reaction (requiring regeneration of iron by water gas intermittently)
C. Still in development stage (by employing fluidised bed technique)
D. All A , B. and C

Read More Commercial scale production of hydrogen from iron-steam reaction represented by, 3Fe + 3H2O = Fe3O4 + 4H2, is not practised, as it is __________________?
CHEMICAL ENGINEERING | Chemical Process

Kopper-Totzek coal gasifier

Question: Kopper-Totzek coal gasifier
[A].

can give ammonia synthesis gas (H2 + N2).
[B].
is a moving bed reactor.
[C].
cannot use coking coal.
[D].
operate at very high pressure.

Answer: Option A

Explanation:

No answer description available for this question.

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CHEMICAL ENGINEERING | Chemical Process

Glycerine is not used in the

Question: Glycerine is not used in the
[A].

manufacture of explosive.
[B].
conditioning and humidification of tobacco.
[C].
manufacture of pharmaceuticals.
[D].
none of these.

Answer: Option D

Explanation:

No answer description available for this question.

Read More Glycerine is not used in the
Chemical Process

The process involved in converting rubber into a thin sheet or coating it on fabric is called ___________________?

The process involved in converting rubber into a thin sheet or coating it on fabric is called ___________________?

A. Extrusion
B. Mastication
C. Calendaring
D. Vulcanisation

Read More The process involved in converting rubber into a thin sheet or coating it on fabric is called ___________________?
CHEMICAL ENGINEERING | Chemical Process

Zeolite is used in the

Question: Zeolite is used in the
[A].

water treatment.
[B].
glass manufacture.
[C].
hydrogenation of fatty oil as a catalyst.
[D].
development of exposed photographic plate.

Answer: Option A

Explanation:

No answer description available for this question.

Read More Zeolite is used in the

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