give the observations for zinc carbonate is heated
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zn(co3)--->zno2 +co2.....
stuffin:
when zinc carbonate is heated it forms zinc oxide and release co2 gas
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When white zinc carbonate is heated strongly, it releases a colourless odourless suffocating gas which turns lime water milky and acidified potassium permanganate paper colorless. the gas is carbon dioxide and the residue in zinc oxide which is yellow when hot and white when cold
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