Question

(i)
(ii)
(iii)
Why is respiration considered an exothermic reaction?
Define the terms oxidation and reduction,
Identify the substance that is oxidised and reduced
(vi)
CuO(s) + Zn(s) heat Cu(s) + ZnO(s)
“Oxidation and reduction processes occur simultaneously”. Justify this
statement with the help of example
​

Answer 1

Answer:

CuO is reduced and Zn is oxidised.

In Q.32 you can see both oxidation and reduction take place.

hope it will help you.