1.

An element X on exposure to moist air turns reddish brown and new compound Y is formed. Identify X and Y.

Answer»

X = Fe, `Y = Fe_(2)O_(3)`
`X = AG, Y = Ag_(2)S`
X= Cu, Y = CUO
`X = Al, Y= Al_(2)O_(3)`

SOLUTION :X = Fe, `Y = Fe_(2)O_(3)`


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