Chemistry-19-Soaps & Detergents

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1.
Which among the following methods can be used to remove the permanent hardness in water due to calcium or magnesium sulphates?
2.
Which among the following is a common salt in Detergents?
3.
What are Sodium Alkyl Sulphate and Benzene Sulphate examples of?
4.
Which of the following radical is also known as the “atmospheric detergent” ?
5.
Which of the following is the product of saponification process?
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