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Chemical Process

Chemical Process
Percentage of uranium in carnotite ore found in Jadugoda (Jharkhand) is about

15 to 25
1 to 5
5 to 10
0.1 to 0.5

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Chemical Process
In sulphate pulp manufacture, the pressure and temperature in the digestor is

10 atm., 170-180°C
L atm., 800°C
1 atm., 170 - 180°C
10 atm., 800 °C

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Chemical Process
Nylon-6 is a

None of these
Polyamide
Thermosetting resin
Polyester

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Chemical Process
Poly tetraflouro ethylene (P.T.F.E.) is known as

Celluloid
Decron
Teflon
Bakelite

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Chemical Process
Sudden temperature fluctuation does not affect pyrex glass, because of its

High melting point
High co-efficient of expansion
Both B and C
Low co-efficient of expansion

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Chemical Process
Phthalic anhydride is made by the

Oxidation of benzene
Oxidation of naphthalene
None of these
Dehydrogenation of ethyl benzene

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