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The reaction between marble and dilute H...

The reaction between marble and dilute `H_2SO_4` is not used to prepare `CO_2` gas-why?

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Marble `(CaCO_3)` reacts with dilute `H_2SO_4` to form insoluble `CaSO_4` which deposits on the surface of marble and prevents further reaction. So, evolution of `CO_2` ceases after sometime. Thus the reaction between marble and dilute `H_2SO_4` is not used to prepare `CO_2` gas.
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CHHAYA PUBLICATION-s-BLOCK ELEMENTS -QUESTION-ANSWER ZONE FOR BOARD EXAMINATION (SHORT ANSWER TYPE)
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