Question

5. (i) Which among the following changes are exothermic or endothermic in nature
(a) Decomposition of ferrous sulphate.
(b) Dilution of sulphuric acid
law
(c)
state Ohms law​

Answer 1

Answer:

a

Explanation:

hope it will help you...

Answer 2

Answer:

I hope u would understand my answer

Explanation:

( a) Decomposition of ferrous sulphate = it is an endothermic reaction, because absorption of heat takes place during this reaction.

(b) Dilution of sulphuric acid is a highly exothermic reaction.

(c) Ohms law = " The potential difference (V) across the ends of a given metallic wire in an electric circuit is directly proportional to the current flowing through it ,provided it's temperature is same ".

It is given as V = IR