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22 Carat gold is

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20 parts pure gold + 2parts silver

22parts pure gold + 2parts silver

22 parts pure gold + 2parts copper

Both B and C

answer is D.

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Detailed Solution

Alloy is homogeneous mixture of two or more metals.

Pure gold is Known as 24 carat gold .So it is not suitable making jewllery, it is Alloyed silver or Copper.

22Carat gold pure gold is alloyed with 2parts of silver or Copper

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