Question 3

Question

Match the following terms to the correct definition

Column A
1.
chemical change:
chemical change
2.
physical change:
physical change
3.
chemical reaction:
chemical reaction
4.
Law of Conservation of Mass:
Law of Conservation of Mass
5.
chemical equation:
chemical equation
Column B
a.a change that takes place when atoms of one or more substances are rearranged into new combinations, forming one or more new substances
b.a representation of a chemical reaction using chemical symbols and numbers
c.a change in which the chemical makeup of the substance is not changed
d.States that mass is neither created nor destroyed by chemical reactions or physical transformations
e.a process that produces a chemical change, in which substances are changed into new substances

Answer 1

Here is the correct matching of terms from Column A to their definitions in Column B:

1. chemical change: e. a process that produces a chemical change, in which substances are changed into new substances
2. physical change: c. a change in which the chemical makeup of the substance is not changed
3. chemical reaction: a. a change that takes place when atoms of one or more substances are rearranged into new combinations, forming one or more new substances
4. Law of Conservation of Mass: d. States that mass is neither created nor destroyed by chemical reactions or physical transformations
5. chemical equation: b. a representation of a chemical reaction using chemical symbols and numbers