Question

(1)
4.08
2.
Volume of CO2 obtained from complete decomposition of 20 g CaCO; at STP is:
(3)
When 10 g of an impure sample of CaCO3 is treated with HCI, 3.3 g of CO, was evolved. The
(1)2.24 litre
(2)4.48 litre
(3)20 litre
(4)22.4 litre
​

Answer 1

Answer:

answer 3:-

(1) 2.24 litre