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Summary Revision questions and answers: Grade 9 Natural Science

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revision questions (and answers) on all grade 9 Natural Science modules for term 2 -4

Institution
9th Grade
Course
Natural Science

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ACIDS AND BASES: Question 1

Explain what an acid is:




(4)
Question 2

Name the 2 classifications of acids:




(2)
Question 3

Explain how to dilute an acid:


(2)
Question 4

State what all acids contain:


(1)

,Question 5

Explain when a base is formed:




(4)
Question 6

State the 6 properties of bases:




(6)
Question 7

What do you call the reaction between metal and acid?


(2)
Question 8

Explain what the reaction named in question 7 does:


(2)

,Question 9

Explain the term “neutralisation”:




(6)
Question 10

State what combustion reactions release, give 3 examples and state what they do:




(5)
Question 11

State what is formed when metal oxide dissolves in water:


(2)
Question 12

Name the product that is formed in each of the following reactions as well as their formula:

Sulphur dioxide reacts with water:

, Carbon dioxide reacts with water:




Nitrogen dioxide reacts with water:




(11)
Question 13

State where and for what calcium oxide is used:


(3)
Question 14

Explain how to test if a gas is carbon dioxide:




(5)
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Uploaded on
March 25, 2026
Number of pages
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Written in
2024/2025
Type
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  • grade 9
  • natural science
  • revision questions and answers
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