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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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