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Chemical Process

Chemical Process
Platinum is a versatile catalyst for many processes in chemical industries. It is highly prone to be poisoned by the presence of

Arsenic
Sulphur
Carbon
Lead

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Chemical Process
Ore concentration by froth floatation utilises the __________ of ore particles.

Density difference
None of these
Terminal velocities
Wetting characteristics

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Chemical Process
Finely ground calcium aluminate & silicate is a/an

Abrasive
Cermet
Explosive
Cement

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Chemical Process
Hydrodenation of vegetable oils is a/an __________ reaction.

Endothermic
Homogenous
Autocatalytic
Exothermic

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Chemical Process
Contact process of sulphuric acid manufacture

Yields acids of lower concentration than chamber process
Is obsolete
Eliminates absorber
Yields acid of higher concentration than chamber process

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Chemical Process
Bleaching action of bleaching powder is due to its __________ properties.

Reducing
None of these
Disinfecting
Oxidising

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