How do you indicate the following effects in a chemical equation?

A) A solution made in water

B) Exothermic reaction

C) Endothermic reaction

Q. How will you indicate the following effects in a chemical equation?

Q. (a) What do you understand by exothermic and endothermic reactions?
(b) Give one example of an exothermic reaction and one of an endothermic reaction.
(c) Which of the following are endothermic reactions and which are exothermic reactions?
(i) Burning of natural gas
(ii) Photosynthesis
(iii) Electrolysis of water
(iv) Respiration
(v) Decomposition of calcium carbonate

Q. The energy released (exothermic) or adsorbed (endothermic) in a chemical reaction is a result of:

Q.

(a) What do you understand by exothermic and endothermic reactions ?

(b) Give one example of an exothermic reaction and one of an endothermic reaction.

(c) Which of the following are endothermic reactions and which are exothemic reactions ?

(i) Buring of natural gas (ii) Photosynthesis

(iii) Electrolysis of water (iv) Respitation

(v) Decomposition of calcium carbonate

Q. Which value indicates whether a reaction is endothermic or exothermic?