Question

6.) In the following questions a
statement of assertion (A) is
followed by statement of
reason(R).
choose the correct option out
of the choices given below each
question.
a) Both A and R are true and R is the
correct explanation of A.
b) Both A and R are true but Ris not
the correct explanation of A.
c) A is true but Ris false.
d) Both A and Rare false.

1. Assertion:
PbO + C➡️Pb + CO is a redox
reaction.
Reason:
PbO is reduced and C is oxidised.

2. Assertion:
combustion of substance is a
redox reaction.
Reason:
this is because both oxidation
and reduction are the reactions
that occur during respiration.

3. Assertion:
C + O2---→CO2 + Heat is an
exothermic reaction.
Reason:
In the above reaction heat
energy is absorbed.

4. Assertion:
iron articles get rusted in moist
air.
Reason:
moisture and oxygen are
required for rusting​

Answer 1

Answer:

I hope you have got the answer.