Science

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Indicators of a Chemical Reaction

This lesson explores what happens in a chemical reaction, ways in which we can identify that a chemical reaction has taken place and how the law of the conservation of mass applies to chemical reactions.

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This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Indicators of a chemical reaction

This quiz will assess you on the knowledge gained in this lesson and some of your prior knowledge

Q1.What does the "conservation of mass" mean?

1/6

Q2.Burning wood is an example of a chemical reaction because... (choose the best answer)

2/6

Q3.In a reaction between 70 g of copper and 35g of oxygen, how much copper oxide would be produced?

3/6

Q4.A chemical reaction between magnesium and oxygen produced 80 g of magnesium oxide. If 48 g of magnesium was used, what mass of oxygen was used?

4/6

Q5.Which of the following are examples of a chemical reaction? Choose 3 answers.

Select three (3) boxes

5/6

Q6.In a reaction between 80 g of sodium hydroxide and 72 g of hydrochloric acid, what mass of sodium chloride is made when 36 g of water is also made?

6/6

This quiz includes images that don't have any alt text - please contact your teacher who should be able to help you with an audio description.

Quiz:

Indicators of a chemical reaction

This quiz will assess you on the knowledge gained in this lesson and some of your prior knowledge

Q1.What does the "conservation of mass" mean?

1/6

Q2.Burning wood is an example of a chemical reaction because... (choose the best answer)

2/6

Q3.In a reaction between 70 g of copper and 35g of oxygen, how much copper oxide would be produced?

3/6

Q4.A chemical reaction between magnesium and oxygen produced 80 g of magnesium oxide. If 48 g of magnesium was used, what mass of oxygen was used?

4/6

Q5.Which of the following are examples of a chemical reaction? Choose 3 answers.

Select three (3) boxes

5/6

Q6.In a reaction between 80 g of sodium hydroxide and 72 g of hydrochloric acid, what mass of sodium chloride is made when 36 g of water is also made?

6/6

Lesson summary: Indicators of a Chemical Reaction

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The next lesson in:
Chemical reactions
is:
Oxidation

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