Indicators and pH Scale

Indicators and pH Scale

7th Grade

30 Qs

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Indicators and pH Scale

Indicators and pH Scale

Assessment

Quiz

Chemistry

7th Grade

Practice Problem

Hard

Created by

Bright Arthur

Used 5+ times

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30 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which characteristics describe an acid?

tastes sour, litmus indicator turns red

tastes bitter, litmus indicator turns blue

tastes sweet and sour, litmus indicator turns red

tastes sour and bitter, litmus indicator turns blue

2.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which of the following is a alkaline?

carbonated water

lime juice

vinegar

dishwashing detergent

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What property do all three of these fruits have in common?

taste bitter sweet

cannot conduct electricity

have pH below 7

turn litmus paper blue

4.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Media Image

What property do all three of these household items have in common?

sometimes conduct electricity

taste soapy

have a pH equal to or above 7

turn litmus paper blue

5.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

When Sally tested an unknown solution, her red litmus paper turned blue, but her blue litmus paper remained blue. What does this indicate?

unknown is acidic

unknown is alkaline

unknown is neutral

unknown can be acidic, alkaline or neutral

6.

FILL IN THE BLANK QUESTION

1 min • 1 pt

The pH scale is a range from

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

Which statement is true?

the lower the pH, the stronger the acid

the higher the pH, the stronger the acid

the lower the pH, the more neutral the acid

the higher the pH, the weaker the alkali

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