G8 CH8 - Exothermic vs Endothermic Reaction

what is product in this reaction?

Sherbet sweets react in your mouth to give cool, fizzy feeling. Is it ___________ reaction

Which one is precise and also accurate?

Magnesium with Hydrochloric acids is example of _________ reaction.

Burning Hydrogen is example of _________ reaction.

Which one is precise but not accurate?

Chemical reaction that absorbs energy from surrounding is called _________

Combustion is example of _________ reaction.

Chemical reaction that given energy out is called _________

Which one is not precise and not accurate?

what is reactant in this reaction?

Burning requires ____________________