Question

1) .For the following question, two statements are given – one labelled Assertion (A) and the other labelled Reason (R). Select the correct answer to these questions from the codes (a), (b), (c) and (d) as given below:

Assertion (A) – C + O2 → CO2 + heat is an exothermic reaction.
Reason (R) – The reaction in which heat is evolved is called an exothermic reaction.

a) Both A and R are true, and R is correct explanation of A.
b) Both A and R are true, but R is not the correct explanation of A.
c) A is true but R is false.
d) Both A and R are false.

Answer 1

Answer:

Option A is correct

Explanation:

Answer 2

Answer:

Yes

Explanation:

A: it is a combustion reaction

Burning carbon compound in excessive to give extingush (heat) , light

So, Heat and light are forms. of energies

Exothermic reaction :- heat liberated,

___________________________________

Actually meaning dissolving of acid or base in water is highly exo. process. It is dilution

less acid, more oxygen

According to urs Q,