Question

(i) Explain with the diagram :
Froth floatation method.
(ii) Express escape velocity in terms of g and R.
(iii) Observe the following reaction carefully and answer the questions below:
Cu + H,O
(a) Name the reductant in above reaction.
CuO+H
(b) Name the oxidant in above reaction.
(c) Give one more example of such reaction.

plz give correct answer I will mark as brain list​

Answer 1

Answer:

I don't know

Explanation: