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Question

Part of a soap that dissolves in water is known as:

A
Hydrophilic
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B
Water resistant
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C
Hydrophobic
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D
Micelles
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Solution

The correct option is A Hydrophilic
Soaps are long chain molecules having two ends of different nature. One end can hold water molecules (hydrophilic in nature) and hence dissolves in water. While the other end holds oil molecules (hydrophobic in nature) and hence dissolves in oil.
Due to this, spherical shaped micelles are formed, which help in removing dirt from a surface.

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