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  3. 9th Class
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  5. Structure of the Atom

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

  • question_answer
    Atoms of the same two elements can combine in different ratios to form different compounds This is                                 

    A)  law of constant composition            

    B)  law of multiple proportion  

    C)  law of reciprocal proportion             

    D)  law of conservation of mass

    Correct Answer: B

    Solution :

    Not Available


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