____________________ process is used for producing soda ash?
____________________ process is used for producing soda ash?
A. Chamber
B. Chance
C. Tromp
D. Solvay
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Thermosetting materials ______________________?
Thermosetting materials ______________________?A. Are cross-linked molecules
B. Soften on application of heat
C. Are solvent soluble
D. None of theseMolecular weights of polymers are in the range of
Question: Molecular weights of polymers are in the range of
[A].102 – 102 [B].
105 – 109 [C].
102 – 107 [D].
109 – 1011 Answer: Option C
Explanation:
No answer description available for this question.
A mineral is termed as ‘ore’, if
Question: A mineral is termed as ‘ore’, if
[A].a metal can be economically extracted from it. [B].
it contains ≥ 40% metal. [C].
the metal present in it is costly. [D].
all (a), (b) and (c). Answer: Option A
Explanation:
No answer description available for this question.
L.D. converter is used in the production of
Question: L.D. converter is used in the production of
[A].pig iron [B].
steel [C].
copper [D].
zinc Answer: Option B
Explanation:
No answer description available for this question.
A bio-catalyst produced by living cells which acts independent of the cell is called a/an_______________?
A bio-catalyst produced by living cells which acts independent of the cell is called a/an_______________?A. Substrate
B. Enzyme
C. Nutrient
D. None of theseCommercial production of Vanaspati is done by __________ of edible vegetable oils.
Question: Commercial production of Vanaspati is done by __________ of edible vegetable oils.
[A].hydrogenation [B].
oxidation [C].
hydrolysis [D].
hydrocracking Answer: Option A
Explanation:
No answer description available for this question.