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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 2
21.
Heating of __________ to 120°C, produces plaster of paris.
blue vitriol
gypsum
calcium silicate
calcium sulphate
Answer: Option
Explanation:
No answer description is available. Let's discuss.
22.
Pick out the wrong statement.
Conversion of SO2 to SO3 in Monsanto-4 pass converter is about 98%.
The chemical formula of oleum is H2S2O7, which is formed by saturating sulphuric acid with sulphur trioxide.
Vitriol oil is nothing but technical sulphuric acid.
Decomposition of sulphuric acid on heating does not start before its boiling.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
23.
Which of the following has sodium bicarbonate as its main constituent ?
Baking soda
Baking powder
Washing soda
none of these
Answer: Option
Explanation:
No answer description is available. Let's discuss.
24.
Ordinary glass is not a/an
amorphous isotropic material.
supercooled liquid.
material with sharp definite melting point.
electrical insulator.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
25.
In premitive days, __________ was being manufactured by Leblanc Process.
alum
washing soda
soda ash
calcium carbide
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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