Endothermic and Exothermic reactions ( 14.1 )

Question 1

give examples of endothermic reactions

Answer 1

thermal decomposition

the reaction between citric acid and sodium hydrogen to make sodium bicarbonate

Question 2

give examples of exothermic reactions

Answer 2

oxidation

Neutralisation

Combustion

Question 3

in exothermic reactions does the temperature increase or decrease

Answer 3

the temperature increases

Question 4

do exothermic reactions release or take in energy

Answer 4

exothermic reactions give off heat energy