1.

When washing soda is heatedA. CO is releasedB. `CO + CO_(2)` is releasedC. `CO_(2)` is releasedD. Water vapour is released

Answer» Correct Answer - D
Washing soda is `Na_(2) CO_(3). 10H_(2)O`
`Na_(2)CO_(3). 10H_(2)O overset(Delta)to Na_(2) CO_(3). H_(2)O + 9H_(2)O`
`Na_(2)CO_(3). H_(2)O overset(Delta)to Na_(2) CO_(3) +H_(2)O uarr`


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