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JEE Main & Advanced JEE Main Paper (Held On 10 April 2016)

  • question_answer
    Gold numbers of some colloids are : Gelatin : 0.005 - 0.01, Gum Arabic : 0.15 - 0.25 ; Ole ate : 0.04 - 1.0 ; Starch : 15 - 25. Which among these is a better protective colloid ?   JEE Main Online Paper (Held On 10 April 2016)

    A) Gelatin

    B) Starch

    C) Gum Arabic                       

    D) Ole ate

    Correct Answer: A

    Solution :

    Lower the gold number, more will be protective power of colloid.                                


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