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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 3
46.
Laboratory glass wares which reacts with hydroflouric acid, are made of the __________ glass.
lead
borosilicate
soda lime
alkali silicate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Prussian blue is chemically represented by
FeO.TiO2
Ca SO4 . 2H2O
Fe4 [Fe (CN6)3]
AlF3 . 3NaF
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Transportation of 35% oleum during winter suffers from the problem of freezing, which can be overcome by the addition of small quantity of
nitric acid
hydrochloric acid
methyl alcohol
formic acid
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
The most stable allotropic form of phosphorous is the __________ phosphorous.
white
black
yellow
red
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Function of thinner in a paint is to
accelerate the oxidation of oil.
prevent gelling of the paint.
suspend pigments & dissolve film forming materials.
form a protective film.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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