1.

Which of the following is a redox reaction ?

Answer»

`CaCO_(3) to CAO + CO_(2)`
`H_(2) + CI_(2)to 2HCI`
`CaO + 2HCI to CaCI_(2) + H_(2)O`
`NaOH + HCI to NaCI + H_(2)O`

Answer :D


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