Chemical Reactions Review

Chemical Reactions Revision

Year 9 Chemistry

Releases heat TO the environment

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​Some text here about the topic of discussion.

Exothermic reactions

• Releases heat TO the surroundings

• Bonds form

• Energy is released​​

Eg. Combustion, The Pop Test

Exothermic reactions​

• Absorbs heat FROM the surroundings

• Bonds break

• Energy is absorbed​​

Eg. Baking bread, frying eggs, photosynthesis, evaporation of water

Endothermic reactions​

Multiple Select

Which of the following is an example of an EXOTHERMIC reaction?

Multiple Select

Which of the following is an example of an ENDOTHERMIC reaction?

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​​Acid properties

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​​Base properties

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Multiple Choice

Which of the following solutions represent a base?

Multiple Choice

Which of the following solutions represent an acid?

Multiple Choice

Which of the following solutions represent a neutral solution?

Multiple Choice

Which of the following is a property of an acid?

• Corrosive

• Sour tasting

• Bitter tasting

• Feels slippery

Multiple Choice

Which of the following is a property of a base?

• Sour tasting

• React with metals

• Corrosive

• Turn blue litmus red