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NEET Biology Mineral Nutrition In Plants Question Bank Critical Thinking

  • question_answer
    If a plant material is dried and burnt in a crucible, the residue would contain

    A) Oxides and carbonates of about ten elements

    B) Carbon and phosphorus

    C) Nitrates and sulphates only

    D) Oxides and carbonates of Ca and Mg only

    Correct Answer: A

    Solution :

    If dried plant parts are heated in silica crucible at\[{{600}^{o}}C\]all organic substances vaporize and the remaining plant ash contains only inorganic substances or mineral elements.


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