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Acids and Bases: Grade 7 Quiz

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ACID and BASE basics

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Acids and Bases: Grade 7 Quiz
 

Acids and Bases: Grade 7 QuizOnline version

ACID and BASE basics

by Abegail Atienza
1

What is a defining feature of an acid in the pH scale?

2

Which instrument is used to test whether a solution is acidic or basic?

3

What is a base commonly found in households?

4

What happens to red litmus paper in a basic solution?

5

Which of the following is an example of an acid?

6

Which of the following is an example of a base?

7

What is neutralization?

8

Which statement correctly describes pH 7?

9

If a solution turns blue litmus paper red, what can you conclude?

10

What safety practice should you follow when handling acids and bases?

Feedback

acids have pH < 7 and turn red litmus red.

Litmus paper changes color in acidic or basic solutions.

Soap acts as a basic substance; vinegar and lemon juice are acids.

Bases turn red litmus blue; blue litmus remains blue or turns blue.

Citrus fruits contain citric acid, a common acid.

Ammonia is a common base; vinegar/lemon juice are acids.

Neutralization combines acid and base producing salt and water.

pH 7 is neither acidic nor basic.

Acids turn blue litmus red; red litmus stays red.

Always use proper PPE and handle with care.

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