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  3. Uttarakhand PMT

Uttarakhand PMT Uttarakhand PMT Solved Paper-2006

  • question_answer
    Blood clotting in a test tube can be prevented by adding a little of :

    A)  sodium oxalate  

    B)  sodium chloride

    C)  sodium hydroxide

    D)  ammonium chloride

    Correct Answer: A

    Solution :

    Sodium oxalate is an anticoagulant thus helps in prevented clotting of blood in test tube.


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