Which of the following acid is used by goldsmiths for cleaning gold and silver ornaments?
Answers
Answered by
7
Explanation:
mixture of sulphuric acid and hydrochloric acid . this mixture is known as king of acids or tejab(hindi) . everything dissolves in it except gold and silver and glass .
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Answered by
3
Answer:
mixture of hno3 and hcl
Explanation:
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