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1 December, 21:42

Leady oxide is a material that? s usually composed of A. 25% free lead and 75% lead oxide. B. 10% free lead and 90% lead oxide. C. 60% free lead and 40% lead oxide. D. 50% free lead and 50% lead oxide.

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  1. 2 December, 00:10
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    option A is correct

    25% free lead and 75% lead oxide

    Explanation:

    we have given free lead and lead oxide %

    so here we know lead oxide material usually composed in the range of for free lead and lead oxide as

    lead oxide material contain free lead range is 22 % to 38 %

    so here we have only option 1 which contain in free lead in the range of 22 % to 38 % i. e 25 % free lead

    so

    option A is correct

    25% free lead and 75% lead oxide
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