Question: Calcination of gypsum produces
[A].plaster of paris
salt cake
nitre cake
lime
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Chemical Process
Fire clay is __________ refractory material.
Question: Fire clay is __________ refractory material.
[A].a basic
an acidic
a neutral
not a
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Carborundum consists mainly of
Question: Carborundum consists mainly of
[A].bauxite
silicon carbide
boron carbide
calcium carbide
[A].
[B].
[C].
[D].
Answer: Option B
Explanation:
No answer description available for this question.
Carbon disulphide is mainly used in the production of
Question: Carbon disulphide is mainly used in the production of
[A].viscose rayon.
corundum.
plasticiser for unsaturated polyester.
paints.
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Coke used for the production of calcium carbide should have
Question: Coke used for the production of calcium carbide should have
[A].low ash content.
low ignition temperature.
high electrical resistivity.
all (a), (b) and (c).
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Bromine is used in the preparation of
Question: Bromine is used in the preparation of
[A].fire extinguishing compounds.
fire proofing agents.
dyes and antiknock compounds.
all (a), (b) and (c).
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
Bromine content in sea water may be around __________ ppm.
Question: Bromine content in sea water may be around __________ ppm.
[A].70
640
1875
2500
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Bitterns is a/an
Question: Bitterns is a/an
[A].unsaturated fat.
starting material for the production of iodine.
by-product of chlor-alkali industry.
none of these.
[A].
[B].
[C].
[D].
Answer: Option D
Explanation:
No answer description available for this question.
In the Solvay process, the product from the calciner is
Question: In the Solvay process, the product from the calciner is
[A].light soda ash
dense soda ash
sodium bicarbonate
dehydrated soda ash
[A].
[B].
[C].
[D].
Answer: Option A
Explanation:
No answer description available for this question.
Dense soda ash used in the manufacture of glass, is chemically represented by
Question: Dense soda ash used in the manufacture of glass, is chemically represented by
[A].Na2CO3
Na2CO3.10H2O
Na2CO3.H2O
Na2HCO3
[A].
[B].
[C].
[D].
Answer: Option C
Explanation:
No answer description available for this question.