| Assertion : An emulsion becomes stable if soap is added to it . |
| Reason : Soap contains hydrophilic and hydrophobic parts. |
A) If both assertion and reason are true and the reason is the correct explanation of the assertion.
B) If both assertion and reason are true but reason is not the correct explanation of the assertion.
C) If assertion is true but reason is false.
D) If the assertion and reason both are false.
E) If assertion is false but reason is true.
Correct Answer: A
Solution :
Both assertion and reason are true and reason is the correct explanation of assertion. Soap coats the drops of an emulsion and checks them from coming together and the emulsion is thus stabilised.
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