Quiz about Describing Chemical Reactions

Question 1

A combination of symbols that represents the elements in a compound.

Accepted Answer

chemical formula

Answer

chemical equation

Answer

chemical reaction

Answer

chemical change

Question 2

Chemical equations use chemical formulas and other symbols instead of words to summarize a reaction.

Accepted Answer

true

Answer

false

Question 3

The substances that you start with in a reaction and the substances you get at the end is known as a

Accepted Answer

chemical equation

Answer

chemical formula

Answer

chemical reaction

Answer

chemical change

Question 4

A chemical equation describes a ________.

Accepted Answer

reaction

Answer

product

Answer

formula

Answer

compound

Question 5

The amount of matter does not change in a chemical reaction

Accepted Answer

true

Answer

false

Question 6

If you want to measure all of the matter before and after a reaction, you have to be able to contain the reaction.

Accepted Answer

true

Answer

false

Question 7

A ________ is a number placed in front of a chemical equation in a reaction.

Accepted Answer

coefficient

Answer

subscript

Answer

superscript

Answer

ratio

Question 8

Which is NOT one of the three categories in which chemical reactions are classified?

Accepted Answer

exchange

Answer

synthesis

Answer

replacement

Answer

decomposition

Question 9

Substance may combine to make more complex substances, they may break apart to make simpler substances or they may even exchange parts.

Accepted Answer

true

Answer

false

Create a free account and access millions of resources