Sodium sulphate is added to washing powders to ____________.
A
keep dirt suspended in water
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B
keep washing powders dry
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C
maintain alkalinity to remove dirt
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D
produce whiteness in clothes
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Solution
The correct option is C keep washing powders dry Sodium sulphate is a organic molecule which is used as detergent filler. The main function of it is to keep detergents dry and good in condition.