1.

Upon heatingwithCu_ 2 S, thereagent (s) thatgivecoppermetal is /are

Answer»

` CU FeS_ 2 `
`CUO `
`Cu_2O`
` CuSO_4`

Solution :Uponheatingwith` Cu _2 S`,thereagent (s) thatgivecoppermetalis/are
(a) ` Cu FES _ 2 +Cu _2 S overset (Delta ) to`Noreaction
(b) `2 CuOoverset (Delta ) toCu_2O+1//2 O_2`
(C )`2 Cu _2 O+ Cu _2 S to6Cu+ SO_2`
(d) ` CuSO_4overset (Delta ) to Cu O+ SO_2 `


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