which of the following is leached by Nacn
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1. Change the following into indirect speech:
1. Mohit said, “My brother has won a trophy today.”
2. He said to my uncle, “I will meet you in London.”
3. The man said, "Where do you live?”
4. The beggar said, “Please, give me some food.”
5. My father said, "Sleep early.”
6. Abdul said, “My father is coming today.”
7. The old woman said to Simmi, “Kindly hold my hand.”
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Answer:
When silver is leached with NaCN in presence of air, Ag is oxidised to Ag+ and forms a complex sodium argentocyanide ([Ag(CN)2]−) from which the silver is obtained later by replacement.
Explanation:
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