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- 1. Multiple Choice
A substance which has no effect on litmus paper is
pure water
Hydrochloric acid
sodium hydroxide
- 2. Multiple Choice
An acid turns
red litmus blue
blue litmus red
has no effect on litmus paper
- 3. Multiple Choice
An alkali turns
blue litmus paper red
red litmus paper blue
has no change on litmus paper
- 4. Multiple Choice
A has a pH of 2. A __________ can be used to determine the pH
Litmus paper
Universal indicator
red cabbage leaf extract
- 5. Multiple Choice
The ____________ shows how acidic or how alkaline a substance is.
pH scale
methyl orange indicator
litmus paper
- 6. Multiple Choice
Bleach and soap are classified as
acid
alkali
neutral
- 7. Multiple Choice
Acetic acid turns yellow in Universal indicator. What is the pH of acetic acid?
3
2
4
- 8. Multiple Choice
This instrument can be used to determine the pH of the soil for agricultural use.
pH scale
pH meter
measuring cylinder
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