निम्न में से कौन-सी धातु मा� – McqOptions

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1.	निम्न में से कौन-सी धातु मानव में विषाक्ता उत्पन्न करती है -
A.	जस्ता
B.	शीशा
C.	लोहा
D.	मैगनीशियम
Answer» C. लोहा

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