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Chemical Process

Chemical Process
__________ is used as a flux in the extraction of iron from iron ore (hametite) in blast furnace.

Bauxite
Quartz
Manganese
Limestone

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Chemical Process
Bisphenol A is produced by the condensation of acetone with

Formaldehyde
Diethyl ether
Ethyl alcohol
Phenol

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Chemical Process
Phosphoric acid is prepared from

Cryolite
Chalcopyrite
Rock phosphate
None of these

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Chemical Process
Lime and soda ash are added to water to remove

Its corrosiveness
Bacteria
Bicarbonates & sulphates of calcium and magnesium
Undersirable taste and odour

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Chemical Process
The difference between saponification value and acid value is

Always negative
None of these
Called ester value
Constant for all fatty oils

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Chemical Process
Synthetic glycerine is produced from

Phenol
Propylene
Toluene
Naphthalene

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