Question

solve it class 10 chamestey​

Answer 1

Answer:

(a) The colour of the solution will change from blue to colorless.

(b) Ca

Al

Zn

Fe

Cu

Answer 2

Answer:

(a) ans: When zinc is added to copper sulphate (CUSO4) solution due to more reactivity of zinc, cooper is replaced by the zinc and forms zinc sulphate. During the process, the colour of the solution changes from blue to colourless

(b) ans: Ca,Al,Zn,Be, and Cu in decreasing order of their reactivity.

Hope it helps