Soap is used as a cleanser because of its ability to act as an emulsifying agent. An emulsifier is capable of separating one liquid into another immiscible liquid. This means that while oil (which attracts dirt) doesn't naturally mix with water, soap can suspend or separate oil/dirt from water in such a way that it can be removed hence soap emulsifies oil in water.Hence option A is the correct answer.

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Soap emulsifies

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Water in oil type

Gel in oil

Oil in water type

Oil in oil type

answer is A.

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Detailed Solution

Soap is used as a cleanser because of its ability to act as an emulsifying agent.
An emulsifier is capable of separating one liquid into another immiscible liquid. This means that while oil (which attracts dirt) doesn't naturally mix with water, soap can suspend or separate oil/dirt from water in such a way that it can be removed hence soap emulsifies oil in water.

Hence option A is the correct answer.

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