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

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

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Chemical Process
During the manufacture of sulphuric acid, the temperature of molten sulphur is not increased beyond 160°C, as

It is very corrosive at elevated temperature
Its viscosity is not reduced on further heating (hence pressure drop on pumping it, cannot be further reduced)
It decomposes on further increasing the temperature
None of these

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