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Chemical Process

Chemical Process
Paper grade bamboo contains about __________ percent cellulose.

60
5
40
20

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Chemical Process
Which one of the following is not likely to be a constituent of vegetable oils?

Stearic acid
Oleic acid
Glycerol
Citric acid

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Chemical Process
Polymerisation product of C₂F4 (carbon tetraflouride) is called P.T.F.E (poly chloro tetra flouro ethylene). It is also called

Teflon
Polyurethane
Silicone
Epoxy resin

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Chemical Process
Which oil is preferred for paint manufacture?

Non-drying oil
Drying oil
Saturated oil
Semi-drying oil

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Chemical Process
Iron ore hametite is concentrated using

Gravity separation
Electro magnetic separation mainly
Roasting
Froth floatation

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Chemical Process
Most widely and commonly used coagulant for the removal of suspended impurities in water is

Slaked lime
Bleaching powder
Copper sulphate
Alum

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