9th Class Science Structure of the Atom Question Bank Nature of Matter

  • question_answer
    The mass of one molecule of water is approximately

    A) \[3\times {{10}^{-23}}\,g\]          

    B)         18 g

    C) \[\text{1}.\text{5 }\times \text{ 1}{{0}^{-\text{23}}}\text{ g}\]      

    D)         \[\text{4}.\text{5 }\times \text{ 1}{{0}^{-\text{23}}}\text{ g}\]

    Correct Answer: A

    Solution :

    Not Available


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