Question

17) When diture Hcl and å added to sodium compound "A" then brisk effervescence of a gas "B "i produced
on passing this gas through lime water the lime Water turns milky forming an insouble compound 'c'
When excess of gas is passed, the insouble compound dissolves forming a souble compound "d"

1.what could be compound A:
2. Name gas B
3.Name the insouble compound C.
4. Name the soluble compound D.​

Answer 1

Answer:

1 Na2Co3

2 CO2

3 CaCO3

4 Ca(HCO3)2