observation and identify zinc carbonate
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When Zinc carbonate is heated which is a white powdery solid, gives carbon dioxide and a yellow solid of zinc oxide.
ZnCO
3
→ZnO+CO
2
↑
(yellow)
As it forms different products, it undergoes chemical changes.
On cooling yellow solid turns in to white, which is a physical change.
ZnO⟶ZnO
(yellow) (white)
The process involves both physical and chemical change. The heating of zinc carbonate is chemical change whereas cooling the product obtained is a physical change.
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what to obserb only zinc carbonate??????? and what to identify on it
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