Sulphuric acid is mainly used in the _______________ industry ?
Sulphuric acid is mainly used in the _______________ industry ?
A. Fertiliser
B. Steel
C. Paper
D. Paint
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Nylon 66 is so named because the
Question: Nylon 66 is so named because the
[A].average degree of polymerisation of the polymer is 1966. [B].
number of carbon atoms between two nitrogen atoms are 6. [C].
number of nitrogen atoms between two carbon atoms are 6 [D].
polymer was first synthesised in 1966. Answer: Option A
Explanation:
No answer description available for this question.
Helium is produced on commercial scale from__________________?
Helium is produced on commercial scale from__________________?A. Air
B. Natural gas
C. Coke oven gas
D. None of theseLinde process of gas liquefaction employs__________________?
Linde process of gas liquefaction employs__________________?A. Exchange of heat with colder stream
B. Adiabatic expansion through a throttle valve (Joule-Thomson expansion)
C. Adiabatic expansion against a piston or in a turbine
D. Merely compressing the gas beyond its critical pressureDacron is a/an
Question: Dacron is a/an
[A].polyester [B].
unsaturated polyster [C].
polyamide [D].
inorganic polymer Answer: Option A
Explanation:
No answer description available for this question.
Haemoglobin is a/an
Question: Haemoglobin is a/an
[A].amino acid [B].
biological catalyst [C].
protein [D].
enezyme Answer: Option C
Explanation:
No answer description available for this question.
Air used in aerobic fermentation must be sterilized, otherwise the
Question: Air used in aerobic fermentation must be sterilized, otherwise the
[A].recovery of product will be difficult. [B].
contamination of pure culture would result. [C].
uniformity of product cannot be achieved. [D].
none of these. Answer: Option B
Explanation:
No answer description available for this question.