Bromine content in sea water may be around _________________ ppm?
Bromine content in sea water may be around _________________ ppm?
A. 70
B. 640
C. 1875
D. 2500
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Caprolactam (a raw material for nylon-6 manufacture) is produced from ___________________?
Caprolactam (a raw material for nylon-6 manufacture) is produced from ___________________?A. Phenol
B. Naphthalene
C. Benzene
D. PyridineFat splitting catalyst is
Question: Fat splitting catalyst is
[A].CaCO3 [B].
ZnO [C].
Al2O3 [D].
Fe Answer: Option B
Explanation:
No answer description available for this question.
Pick out the endothermic reaction out of the following ?
Pick out the endothermic reaction out of the following ?A. C+ ½O2 = CO
B. CO + 3H2 = CH4 + H2O
C. CaCO3 = CaO + CO2
D. CO + ½O2 = CO2Glycerine is recovered from lye by
Question: Glycerine is recovered from lye by
[A].evaporation followed by vacuum distillation. [B].
liquid extraction technique. [C].
extractive distillation technique. [D].
none of these. Answer: Option A
Explanation:
No answer description available for this question.
Concentration of hydrogen peroxide is done by
Question: Concentration of hydrogen peroxide is done by
[A].crystallisation [B].
vacuum crystallisation [C].
atmospheric distillation [D].
dehydration Answer: Option B
Explanation:
No answer description available for this question.
___________________ glass is used for the manufacture of optical glass ?
___________________ glass is used for the manufacture of optical glass ?A. Pyrex
B. Soda
C. Flint
D. Crooke’s