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Chemical Process

Chemical Process
Oxidation of ortho-xylene in presence of __________ catalyst is done to produce phthalic anhydride on commercial scale.

Iron
Alumina
Nickel
Vanadium

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Chemical Process
Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at

100 atm & 500°C
1 atm & 100°C
50 atm & 1000°C
5 atm & 275°C

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Chemical Process
Pencillin, an antibiotic drug was discovered by

Flaming
None of these
Alexender
Dr. Zivago

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

Salt petre
Quick lime
Bromine
Glauber's salt

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Chemical Process
Solvay process is not used for the manufacture of potassium carbonate, because of the reason that potassium bicarbonate

Is prone to thermal decomposition
Is soluble in ammonium chloride and potassium chloride solution
Has high water solubility and is unstable
All of these

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

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

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