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NEET Biology Structural Organisation In Animals Question Bank Vascular Tissue

  • question_answer
    Blood clotting can be prevented in a test tube by adding a little [CPMT 1984]

    A) Sodium oxalate

    B) Sodium chloride

    C) Sodium hydroxide

    D) Ammonium chloride

    Correct Answer: A

    Solution :

    Sodium oxalate, sodium citrate and EDTA (Ethylene diamine tetra acetic acid) are used as anticoagulants in blood banks as these bind \[C{{a}^{++}}\] so these are called chelating agent.


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