निम्नलिखित में से कौन धातु – McqOptions

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1.	निम्नलिखित में से कौन धातु पीतल, कांस्य तथा जर्मन सिल्वर इन सभी में उभयघटक के रुप में विद्यमान है -
A.	एण्टमनी
B.	ताँबा
C.	टिन
D.	जस्ता
Answer» C. टिन

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