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18 carat gold contains 18 parts in 24 pa...

`18` carat gold contains `18` parts in `24` parts and has a fineness of

A

`0.75

B

`7.5

C

`75

D

`750

Text Solution

Verified by Experts

The correct Answer is:
4
Fineness of gold is the quantity of gold in an alloy expressed as parts per thousand:
`18/24xx1000=750`
Chemical similarity and nearness of molecular sizes two factors which play a very important role in forming solid solution.
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