Question

for each item in column a, write the letter of the matching item in column b.
column a

1. the new substances that are formed in a chemical reaction
2. a chemical reaction that involves one or more substances changing into new substances
3. shows the relationship between the reactants and products in a chemical reaction
4. states that mass is neither created nor destroyed in any process
5. the starting substances in a chemical reaction

column b
a. chemical change
b. reactants
c. products
d. chemical equation
e. law of conservation of mass

Explanation:

1. In a chemical reaction, the new - formed substances are called products.
2. A chemical reaction where substances change into new substances is a chemical change.
3. A chemical equation shows the relationship between reactants and products in a chemical reaction.
4. The law of conservation of mass states that mass is neither created nor destroyed in any process.
5. The starting substances in a chemical reaction are reactants.

Answer:

1. c
2. a
3. d
4. e
5. b