What happens when the nitrates of potassium, calcium, zinc and copper are separately heated?
- All the nitrate will decompose to their respective metals
- The nitrates of calcium and potassium will decomposes to their nitrites
- Only copper nitrate decomposes to the metal
- Only the nitrates of zinc and copper will decompose to their oxides
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The nitrates of calcium, zinc and copper decompose to their oxides
The correct answer is: E
Explanation
The nitrates of calcium, zinc and copper decompose to their metal oxides