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Chemical Engineering - Chemical Process

Exercise : Chemical Process - Section 4
46.
__________ nature of hypo (sodium thiosulphate) makes it useful in photography.
Oxidising
Reducing
Complex forming
Photochemical
Answer: Option
Explanation:
No answer description is available. Let's discuss.
47.
__________ is an ore of lead.
Quartz
Galena
Siderite
Chalcopyrite
Answer: Option
Explanation:
No answer description is available. Let's discuss.
48.
Which of the following is an yellow pigment ?
Titanium dioxide
Ferrous sulphate
Lead chromates
Zinc sulphides
Answer: Option
Explanation:
No answer description is available. Let's discuss.
49.
Catalytic oxidation of toluene produces
styrene
phenol
benzene
tri-nitro-toluene
Answer: Option
Explanation:
No answer description is available. Let's discuss.
50.
SO2 is bubbled through hot sugar cane juice to
act as an acidifying agent.
increase its concentration.
increase the amount of molasses.
increase the crystal size.
Answer: Option
Explanation:
No answer description is available. Let's discuss.
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