Chemistry, asked by devaraj93, 9 months ago

explain any two purification methods of metals​

Answers

Answered by prakhar123434
1

Answer:

Calcination nad roasting

Explanation:

Hope it helps

Answered by harshsingh26092002
2

Answer:

Calcination and Roasting

Explanation:

Calcination: The carbonate ore are changed into oxides by heating strongly in limited air. This process are called calcination.

ex-. ZnCO3. + Heat - ZnO + CO2

Roasting- The sulphur ores are converted into oxides by heating strongly in the presence of excess air. This process is called roasting.

Ex- ZnS + 3 O2 - 2ZnO + 2SO2

This may help you

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