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Dilute HCl was added to limestone.

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Dilute HCl was added to limestone. 

Write down the changes that will be seen in each instance and explain the reason behind it.

(g)  Dilute HCl was added to limestone.

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Limestone is calcium carbonate. When Dilute HCl was added to limestone, it forms calcium chloride, water and carbon dioxide gas.

2HCl + CaCO3 → CaCl2 + CO2 +H2O

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