Question

Please find the following fast.....
I need help.....

Answer 1

6 question answer is on cbse class 10 gs text book on page no 86

Answer 2

8(a). Sodium

(b). Dilute sulphuric acid,dilute nitric acid.

And I rejected those acids because they are highly corrosive and harmful in nature.

6.Reactivity series shows the reactivity of the metals.It is arranged in decreasing order of metals.