1.

The mass ofCO_(2) obtained when 2g of pure limestone is calcined is

Answer»

`44G`
`0.22g`
`0.88g`
`8.8g`

SOLUTION :`CaCO_(3)rarrCaO+CO_(2)`
`100gmCaCO_(3)rarr44gmCO_(2)`
`2gmrarr? =0.88gm`


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