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pH Lab Pre-Test
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Which of the following is usually neutral?
*
Lemon Juice
Soap
Water
Vinegar
Which sentence correctly explains the pH scale?
*
Measures temperature
Shows how acidic or basic a substance is
Measures weight
Shows colour only
What should be done first to test a liquid with litmus paper?
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Dip litmus paper into the liquid
Throw liquid away
Freeze liquid
Cover glass
Why should litmus paper be handled carefully?
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To make it heavier
To avoid spilling or contaminating the liquid
To change its shape
To make it waterproof
During a group experiment, what is the best behaviour?
*
Refuse to discuss
Push others away
Hide result
Listen and take turns
Which is the best way to remember the pH scale?
*
Acid above 7
All liquids pH 7
pH does not matter
Acid below 7, neutral at 7, base above 7
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pH Sim Lab
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