Question

The Process of Respiration is
(a) Oxidation & Exothermic
(b) Reduction & Endothermic
(c) Oxidation & Endothermic
(d) Reduction & Exothermic

2. What happens when a solution of an acid is mixed with a solution of a base in a test tube?
(i) Temperature of the solution decreases
(ii) Temperature of the solution increases
(iii) Temperature of the solution remains the same
(iv) Salt formation takes place

(a) (i) and (iv)
(b) (i) and (iii)
(c) (ii) only
(d) (ii) and (iv)

Answer 1

Explanation:

The process of respiration is an oxidation reaction which is exothermic.

Respiration is considered as an exothermic reaction because in respiration oxidation of glucose takes place which produces large amount of heat energy.

an oxidation reaction which is exothermic right answer

Answer 2

EXPLANATION

1.)

In this reaction energy is released, it is also an exothermic reaction. Glucose oxidizes and releases energy in the human body. Thus, this reaction is reacted with oxygen called oxidation reaction. So, the process of respiration is an oxidation reaction which is exothermic.

=The process of Respiration is

(a) Oxidation & Exothermic

2.)

When acid is mixed with a solution of base it results in a neutralization reaction. Neutralization is an exothermic reaction which results in the formation of salt.

= Temperature of solution increases &

Salt formation takes place.

=(d) (ii)&(iv)

FINAL ANSWERS

1.

(a) Oxidation & Exothermic

2.

(d) (ii)&(iv)

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