Chemistry, asked by edulaashok53, 3 months ago

7.
Gold is a very precious metal. Pure gold is very soft and is thus not suitable for
making jewellery. It is alloyed with either Ag or Cu to make it hard. But some
jewellers mix large quantity of copper and Ag in gold to earn more profit.
a) What precautions should you take while purchasing gold jewellery?
b) What standard you must see on gold ornaments?
c) What value of shopkeeper's are shown here?​

Answers

Answered by avniverma75
0

Answer:

Answer: (i) We should always purchase the gold jewellery from a , branded shop with proper receipt and hallmark certificate. (ii) Government insists on purchasing hallmarked jewellery as it contains the gold and its alloyed metal, (i.e. copper or silver) in a fixed ratio.

Answer:

Check for purity: When you buy gold jewellery you should always check for its purity. ...

Cross check the pricing: Gold pricing is determined based on the purity of gold. ...

Negotiate making charges: Jewellery involves labour cost and all jewellers pass on this cost to the buyers in the form of making charges.

Explanation:

BIS Mark BIS

BIS Mark. BIS is the only agency in India approved by the government for hallmarking gold articles of any kind to ensure their purity. Any gold jewellery which is hallmarked by the BIS will bear its logo, indicating that its purity is verified in one of the licensed laboratories of BIS.

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