Question

जर्मन सिल्वर मिश्र धातु है ?
(a) जस्ता, तांबा और निकिल
(b) चांदी, तांबा और एल्युमीनियम
(c) तांबा, चांदी और निकिल
(d) चांदी, जस्ता और निकिल

Answer 1

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⭐⭐⭐(A)⭐⭐⭐


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Answer 2

(a)   Zinc, copper and nickel is a German silver alloy.

The formation of German silver alloy is 60% copper, 20% nickel and 20% zinc.

Nickel silver is also known as Germen silver because they have silvery appearance.

But nickel silver does not contain any silver unless it is plated with pure silver.