Question

a yellow malleable alloy is made up of two metals A and B. On treatment with dilute sulphuric acid, A dissolves from the surface of the alloy to form a colourless solution. B remains undissolved and is found to have a reddish brown colour. identify metals A and B, Explain the reactions involved. I am not sure but is the metals A and B are copper and iron respectively?

Answer 1

Answer:

A is zinc and b is copper

Answer 2

Answer:

Hey brother,

Allow is brass

A=Zn

B=Cu

As Zn is more reactive than the Cu.

Zn+H2SO4=====>ZnSO4+H2