" 28."20gmCaCO_(3)" on decomposition gives "CO_(2)" at STP."

20gm of CaCO_(3) on decomposition gives CO_(2) at STP:

At STP 1g Ca CO_(3) on decomposition gives CO_(2)

x' g of KCIO_3 on decomposition gives 'y' ml of O_2 at STP. The percentage purity of KCIO_3 would be :

x' g of KCIO_3 on decomposition gives 'y' ml of O_2 at STP. The percentage purity of KCIO_3 would be :

If 10 cm^(3) solution of H_(2)O_(2) on decomposition gives 150 cm^(3) of O_(2) at STP, then volume strength of H_(2)O_(2) is

The volume of perhydrol which on decomposition gives 1L of O_(2) at STP is