Question: Deacon’s method is used for the manufacture of
[A].glauber’s salt
common salt
chlorine
graphite electrode
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Chemical Engineering
Electrodeposition of metals i.e. electroplating is never done on
Question: Electrodeposition of metals i.e. electroplating is never done on
[A].metals
alloys
refractories
non-metals
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Low purity oxygen is used for
Question: Low purity oxygen is used for
[A].L.D. steel making.
cutting and welding of metals.
medicinal purposes.
chemical oxidation processes.
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Good quality of edible salt is obtained from brine by the process of
Question: Good quality of edible salt is obtained from brine by the process of
[A].solar evaporation
vacuum evaporation
freeze drying
electrolysis
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and
Question: Nitroglycerene absorbed in wood flour, sodium nitrate or ammonium nitrate is commercially used as a controlled explosive called dynamite. The raw material used for its manufacture are glycerene, nitric acid and
[A].sulphuric acid
phosphoric acid
hydrochloric acid
hydroflouric acid
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Electric bulbs are made of __________ glass.
Question: Electric bulbs are made of __________ glass.
[A].jena
flint
crookes
pyrex
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.
Question: Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass.
[A].chromium
arsenic
copper
mangnese
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.
Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.
Question: Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.
[A].lead
borosilicate
soda lime
alkali silicate
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
__________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.
Question: __________ glass has the lowest co-efficient of thermal expansion and hence is more heat resistant.
[A].Pyrex
Soda lime
Lead
High silica
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Ordinary glass is not a/an
Question: Ordinary glass is not a/an
[A].amorphous isotropic material.
supercooled liquid.
material with sharp definite melting point.
electrical insulator.
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.