Home
Class 12
CHEMISTRY
Assertion(A): Small quanity of soap is u...

Assertion(A): Small quanity of soap is used to prepare a stable emulsion.
Reason(R): Soap lowers the interfacial tension between oil and water.

A

Statement-1 is True, Statement-2 is True, Statement-2 is a correct explanation of Statement-1.

B

Statement-1 is True, Statement-2 is True, Statement-2 is NOT a correct explanation of Statement-1.

C

Statement-1 is True, Statement-2 is False.

D

Statement-1 is False, Statement-2 is Ture.

Text Solution

Verified by Experts

The correct Answer is:
A
Doubtnut Promotions Banner Mobile Dark
|

Topper's Solved these Questions

  • SURFACE CHEMISTRY

    PRADEEP|Exercise ASSETION-REASON TYPE QUESTIONS (TYPE II)|13 Videos
  • SURFACE CHEMISTRY

    PRADEEP|Exercise VIII. (MULTIPLE CHOICE QUESTIONS)|4 Videos
  • SURFACE CHEMISTRY

    PRADEEP|Exercise INTEGER TYPE QUESTIONS|5 Videos
  • SOME BASIC CONCEPTS OF CHEMISTRY

    PRADEEP|Exercise Competition (FOCUS) JEE (Main and Advanced)/Medical Entrance SPECIAL (VIII. Assertion-Reason Type Questions)(Type II)|13 Videos

Similar Questions

Explore conceptually related problems

Assertion (A): Metallic tools must be oiled or greased at regular intervals. Reason (R): Metallic tools get rusted due to their continuous use.

Assertion (A) : Gabriel synthesis is used for the preparation of primary amines. Reason (R) : In Hoffmann bromamide, the amine obtained contains one carbon atom more than the amide.

Knowledge Check

  • Assertion. Small quantity of soap is used to prepare a stable emulsion. Reason. Soap lowers the interfacial tension between oil and water.

    A
    If both assertion and reason are ture, and reason is the trure explanation of the assertion.
    B
    If both assertion and reason are true, but reason is not the true explanation of the assertion.
    C
    If assertion is true, but reason is false.
    D
    If both assertion and reason false.
  • Assertion (A): Enzymes are needed in small quantities for the progress of a reaction. Reason (R): Most of the vitamins can be prepared by our body.

    A
    Both Assertion (A) and Reason (R) are correct statement and Reason (R) is the correct explanation of the Assertion (A).
    B
    Both Assertion (A) and Reason (R) are correct statements, but Reason(R) is not the correct explanation of the Assertion (A).
    C
    Assertion (A) is correct , but Reason (R) is incorrect statement
    D
    Assertion (A) is incorrect , but Reason (R) is correct statement.
  • Assertion (A): Statin is produced by a yeast called Trichoderma polysporum. Reason (R): Its used lowers the blood cholesterol level in the body,

    A
    Both assertion (A) and reason (R) are true and reason (R) is the correct explanation of assertion (A).
    B
    Both assertion (A) and reason (R) are true but reason (R) is not the correct explanation of assertion (A).
    C
    Assertion (A) is true but reason (R) is false.
    D
    Assertion (A) is false but reason (R) is true.
  • Similar Questions

    Explore conceptually related problems

    Assertion (A) : Cellulose is used in making shatter proof glass. Reason (R ) : Polysacharides are not soluble in water.

    Assertion (A): Sodium chloride used to clear snow on the roads. Reason (R ): Sodium chloride depresses the freezing point of water.

    Assertion (A): As the temperature of a semiconductor increases, its resistance decreases. Reason (R ): The energy gap between conduction band and valence band is small.

    Assertion (A) Transparent soaps are made by dissolving soaps in ethanol. Reason (R) Ethanol makes things invisiable.

    Assertion : Small water drops are sperical while bigger water drops are not. Reason : In small water drops surface tension forces dominate while in bigger water drops gravity forces dominate.