Question

hi friends ☺☺

i need ans of this que please help me

i will promise u that i will mark it as brainlist

Answer 1

answer is thiz i hope it woild be helpfull

Answer 2

9. Exothermic reaction :- reaction which releases heat and energy.* Endothermic reaction:- reaction in which heat is absorbed.10. Because in respiration oxidation of glucose takes place which produce large amount of energy.11. * Decomposition reaction :- in which single compound beak down into 2 or more elements. Ex :- 2H2O _ 2H2 + O2.
* Combination reaction:- in which 2 or more elements combine to form single compound.
Ex :- 2H2 + O2 _ 2H2O.