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Question
State which of the substance given below evolve oxygen gas on thermal decomposition.
Zinc carbonate
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Solution
Zinc carbonate ZnCO3
On thermal decomposition, zinc carbonate is not evolved oxygen.
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RELATED QUESTIONS
The reaction of iron nail with copper sulphate solution is ______ reaction.
(a) What is synthesis?
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What is a double displacement reaction?
Select the correct salt from list II which on thermal decomposition exhibits the change in colour from list I.
| List I | List II |
| 1. Light green to black | A: Copper carbonate |
| 2. White to yellow [heated state] | B: Hydrated Copper sulphate |
| 3. Blue to black | C: Copper nitrate |
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State which of the substance given below evolve oxygen gas on thermal decomposition.
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State which of the substance given below evolve oxygen gas on thermal decomposition.
Anhydrous copper sulphate
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