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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 2
46.
Drinking (potable) water treatment does not involve
coagulation
sedimentation
softening
disinfection
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
Phenol formaldehyde resin is used as an adhesive in making
laminates
card boxes
furniture
books
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Pick out the correct statement.
A fat is converted into oil by its hydrogenation.
There is no difference between a fat and an oil so far as its physical properties are concerned.
All vegetable oils except coconut oil, contains fatty acids having more than sixteen carbon atoms.
Vegetable oils are classified as drying, non-drying and semi drying oils depending upon their fatty acids content.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
DDT should not be allowed to come in contact with iron (during its manufacture) to
avoid its decomposition.
prevent sulphonation of the monochlorobenzene by the acid catalyst.
achieve non-hygroscopic property.
none of these.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively
V2O5 & Cr2O3.
oxides of nitrogen & Cr2O3.
V2O5 on a porous carrier & oxides of nitrogen.
oxides of nitrogen & V2O5 on a porous carrier.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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