1.

Which of the following stands for a double displacement reaction ?

Answer»

`2H_(2) + O_(2)to 2H_(2)O`
`2Mg + O_(2) to 2MgO`
` AgNO_(3) + NaCL to AgCI DARR + NaNO_(3)`
` H_(2)+ Cl_(2) to 2HCI`

Answer :C


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