Reactions

Matching Quiz

Match each pair by selecting correct answer from the dropdown menu.
Then click the Check button to see your result.
Reaction where heat is given out
Reaction where heat is taken in
Substances that react together
New substance(s) formed in a reaction
Minimum amount of energy needed for a reaction to take place
Total mass of reactants = total mass of products
Change in concentration per unit time of a reactant (product)