1.

Which one of the following is an endothermic process ?

Answer»

`CH_4 + 2O_2 to CO_2 + 2H_2 O`
`H^+ + OH^(-) to H_2 O`
`NH_4 NO_3 OVERSET(H_2 O)to NH_4^(+) + NO_3^-`
`C + O_2 to CO_2`

SOLUTION :`NH_4 NO_3 overset(H_2O) to NH_4^+ + NO_3^(-)`


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