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Chemical Process

Chemical Process
__________ is used as a flux in the smelting of copper ore like chalcopyrite.

Silica/quartz
Dolomite
Lime powder
Coke breeze

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Chemical Process
High temperature carbonisation of coal takes place at __________ °C.

< 500
2000
1100
700

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Chemical Process
Electric bulbs are made of __________ glass.

Flint
Crookes
Pyrex
Jena

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Chemical Process
Concentration of sulphide ores is done usually by

Roasting
Electro magnetic separation
Froth floatation
Smelting

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Chemical Process
High magnesia lime is added to hot sugar cane juice (during the manufacture of sugar) to

Facilitate fast filtration
Flocculate the impurities
Neither A nor B
Both A and B

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Chemical Process
Which of the following is the main constituent of the mother liquor produced in salt industry?

Quick lime
Bromine
Glauber's salt
Salt petre

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