Which of the following acid is used by goldsmiths for cleaning gold and silver ornaments?
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Answer:
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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a mixture of hydrochloric acid and sulphuric acid is used by goldsmith for cleaning of gold and silver.
Explanation:
- this mixture is known as the king of all acid because of the very less PH value of the asset for stock as a result of this it has the capability to dissolve all the substances except that of gold silver platinum and glass.
- Hence these are used by goldsmith to dissolve all substances other than these precious noble metals. The only acid which can dissolve gold and platinum is Aqua regia.
To know more,
How many grams of NaOH should be added to water to prepare ..
.https://brainly.in/question/1311334
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