pH Indicators Text

pH Indicators Text

Assessment

Passage

Science

9th - 12th Grade

Practice Problem

Hard

Created by

Juan Crosby

FREE Resource

7 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What makes the kettle described in the passage 'magic'?

It can pour any color on command.

It can boil water instantly.

It can change its shape.

It can float in the air.

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the purpose of the indicator in the experiments?

To show whether a chemical is an acid, base, or neutral.

To change the temperature of the solution.

To make the solution glow in the dark.

To speed up the reaction.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What color does the indicator turn when an acid is added?

Red

Blue

Green

Yellow

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What household item is used to make the acid-base indicator?

Red cabbage

Lemon

Baking soda

Vinegar

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What happens to the cabbage leaves when making the indicator?

They lose their color and become almost white.

They dissolve completely.

They turn bright red.

They become larger.

6.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What is the role of vinegar in the magic trick?

It acts as an acid to change the indicator color to red.

It acts as a base to change the indicator color to blue.

It is used to clean the glass.

It is used to boil the water.

7.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

What safety precaution is mentioned when using bleach in the experiments?

Work with an adult.

Wear gloves.

Use a mask.

Do it outside.

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