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Chemical Process

Chemical Process
Chalcopyrite is the main ore of

Lead
Tin
Iron
Copper

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Chemical Process
Epoxy resin

Is a good adhesive
Cannot be used for surface coatings
Is a polyester
Is an elastomer

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Chemical Process
The major use of butadiene is

As a plasticiser for unsaturated polyester
None of these
As an anti-skinning agent in paint
In the manufacture of synthetic rubber

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Chemical Process
Sodium bisulphite is used for __________ water.

Both A & B
Dechlorination
Neither A nor B
Deaeration

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Chemical Process
__________ are used as corrosion inhibitor for iron & steel in aqueous solutions.

Chromates
Bi-carbonates
Phosphates
Sulphates

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Chemical Process
Oxygen is produced by fractionation of air using __________ process.

None of these
Claude's
Either A or B
Linde's

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