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7th Class Science Physical and Chemical Changes Question Bank Physical and Chemical Changes

  • question_answer
    Which of the following is the chemical name of blue vitriol (neela thotha)?

    A) Sulphuric acid

    B) Calcium carbonate

    C) Copper sulphate

    D) Zinc sulphate

    Correct Answer: C

    Solution :

    Copper sulphate is called blue vitriol.


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