1.

The laboratory method of preparation of CO is

Answer»

`HCOOH overset(H_2SO_4)to H_2O + CO`
`CO_2+Cto 2CO`
`H_2 CO_3 overset("HEAT")to H_2O + CO + 1/2 O_2`
`2C + O_2 to 2CO`

Solution :`HCOOH overset(H_2SO_4)to H_2O + CO`


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