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    Question

    Materials for rain proof coats and tents owe their

    water proof properties to тАУ
    A Surface tension Correct Answer Incorrect Answer
    B Viscosity Correct Answer Incorrect Answer
    C Specific gravity Correct Answer Incorrect Answer
    D Elasticity Correct Answer Incorrect Answer

    Solution

    Materials for rain proof coats and tents owe their water proof properties to Surface Tension. The surface of a liquid behaves like an elastic membrane and therefore, has a tendency to contract. This property of liquid is called Surface Tension.

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