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Chemical Process

Chemical Process
Phosphate rock is a raw material for the manufacture of

Phosphoric acid
All of these
Phosphorous
Superphosphates

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Chemical Process
Wet chlorine gas produced during electrolysis of brine is dehydrated by

None of these
Passing it through a bed of silica gel
Spraying 66° Be H₂SO₄ counter current to the flow of the gas
Passing it through a bed of diatomaceous earth

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Chemical Process
A mineral is termed as 'ore', if

A metal can be economically extracted from it
It contains ≥ 40% metal
All of these
The metal present in it is costly

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Chemical Process
Concentration of sulphide ores is done usually by

Froth floatation
Roasting
Electro magnetic separation
Smelting

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Chemical Process
Oils and fats are converted to soap in a process called

Saponification
None of these
Esterification
Hydrogenation

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Chemical Process
'Synthesis gas' meant for the synthesis of organic compound is a variable mixture of

CO & H₂
CO₂ & H₂
N₂ & H₂
C & H₂

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