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     EduGorilla 
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    If we increase the temperature of a rubber above the gas transition temperature, the elastic modulus of the rubber is increased. Select the correct possible reason(s).

    I.          Highly kinked conformations of the molecules at elevated temperatures
    II.         Alignment of the molecules in the direction of the applied stress
    III.        Distortion of the matrix of the molecules at elevated temperatures

    Options :-

    1. I only
    2. II only
    3. II and III only
    4. I and III only
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