Chemical Process
Builders are added in soap to act as

Anti-redeposition agent
Cleaning power booster
Fabric brightener
Corrosion inhibitor

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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 decomposes on further increasing the temperature
None of these
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)

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