Explain why :
(a) Respiration is na exothermic reaction.
(b) When blue salt of copper sulphate is heated, it becomes colourless.

Respiration is an exothermic reaction (process). Why ?

why respiration is considered an exothermic reaction?

Blue coloured copper sulphate crystals become colourless n heating.

What happens when hydrate copper sulphate is heated ?

When blue coloured copper sulphate crystals are heated , it becomes _______ copper sulphate .

(a) Explain why : respiration is an exothermic reaction (b) A colourless lead salt when heated produces a yellow residuces a yellow residue and brown fumes. (i) Name the lead salt (ii) Name the brown fumes (iii) What the chemical equation for the reaction involved ?

Why is respiration considered an exothermic reaction? Explain.

Why is respiration considered an exothermic reaction? Explain.