Endothermic Vs Exothermic Reaction

A chemical reaction that releases heat is ....

• endothermic

• increase

• decrease

• exothermic

Baking bread is example of ...

• exothermic reaction

• endothermic reaction

• none of these

In an endothermic reaction the temperature of the surroundings will ....

• exothermic

• endothermic

• increase

• decrease

A chemical reaction that takes in heat is ....

• endothemic

• increase

• exothermic

• none of these

When investigating burning candle, the liquid is tested with ....

• limewater

• carbon dioxide

• carbon chloride paper

• oxygen

lamp burning is example of ....

• endothermic

• decreased

• exothermic

• increased

Sitting down on a cold metal bench, the bench feels cold because ....

• no heat is transfered, so it feels cold

• heat is absorbed by the bench from your body, leaving you feeling it as cold

• heat transfers from the ground to the bench

• heat absorbed into your hand from the bench, so it feels cold

An endothermic reaction reaction .... heat

• discovers

• let go of

• absorbs

• releases

If a chemical reaction is Exothermic, the temperature would ....

• stay the same

• decrease

• increase

What iron nails get rusty, heat is released, What process is this?

• endothermic

• exothermic