1. (B) by dividing the national income by the total population of a country

    (B) by dividing the national income by the total population of a country

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  2. [B] Metal oxides which reacts with both acids as well as bases.

    [B] Metal oxides which reacts with both acids as well as bases.

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  3. [A] Metals form positive ions by losing electrons You must know that, those elements which form positive ions by losing electrons are called metals. So, option [A] is correct.

    [A] Metals form positive ions by losing electrons
    You must know that, those elements which form positive ions by losing electrons are called metals. So, option [A] is correct.

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