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Byju's Answer
Standard VII
Civics
Consumers and certification marks
Purity of whi...
Question

Purity of which among the following metals are certified by BIS?

A
Gold
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B
Silver
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C
Iron
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D
Copper
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Solution

The correct options are
A Gold
B Silver
Purity of gold and silver is assured by the BIS hallmark. This system is not applicable for iron or copper.

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