1.

CH_4 can be prepared by the reaction of H_2O with

Answer»

`Mg_2C_3`
`CaC_2`
`Be_2C`
`Al_4C_3`

SOLUTION :`Be_2C + 4H_2O to CH_4 + 2Be(OH)_2`
` Al_4C_3 + 12H_2O to 3CH_4 + 4AL(OH)_3`


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