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Water — CHEMISTRY STD 9 — Question

ICSE BoardEnglish MediumSTD 9CHEMISTRYWater2 Marks
Question
What is soap? For what is it used?
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Answer

Soap is chemically a sodium salt of stearic acid (an organic acid with the formula $C_{17}H_{35}COOH$) and has the formula $C_{17}H_{35}COONa$.
Soap is used for washing purposes.

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