1.

The volume in litres of CO_2 librated at STP when 10 g of 90% pure limestone is heated completely,is

Answer»

`2.016`
`20.16`
`2.24`
`22.4`

SOLUTION :`CaCO_(3)rarrCaO+CO_(2)`
`100grarr22.4` LIT
`(90)/(100)xx10grarr?=2.016L`


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