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Chemical Process

Chemical Process
Lurgi coal gasifier is a pressurised __________ bed reactor.

Moving
Fluidised
Fixed
Entrained

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Chemical Process
Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like

Fragile nature
High cost
All of these
Easy poisoning tendency

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Chemical Process
Salt is the basic raw material for the manufacture of

Potteries
Cement
Glass
Caustic soda

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Chemical Process
Plasticisers are added to paints to

Increase atmospheric oxidation
Make glossy surface
Give elasticity & prevent cracking of the film
Make it corrosion resistant

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Chemical Process
Phenol is mainly used

To produce benzene
As a plasticiser for unsaturated polyster
To produce phenol formaldehyde
To produce polyester resin

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Chemical Process
Calcareous & argillaceous materials are used in the manufacture of

Lead
None of these
Carbon disulphide
Cement

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