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15
×
According to Arrhenius, a base is a substance that
Produces OH⁻ in solution
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15
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Lemon juice tastes sour because it contains:
Citric acid
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monster
Reset all scores!
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seesaw
Swap points!
Okay!
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shark
Other team loses 15 points!
Okay!
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lifesaver
Give 5 points!
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15
×
A solution with a pH of 7
neutral
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15
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The word “alkaline” is the same as:
Basic
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15
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A solution with a pH less than what value is called an acid ?
<7
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15
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The blue litmus paper turns red. What does this show?
Acidic solution
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15
×
Why should we check the pH of swimming pools?
To keep skin and eyes safe
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baam
Lose 10 points!
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fairy
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25
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gift
Win 10 points!
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baam
Lose 20 points!
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15
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Why do farmers test soil pH?
To check soil acidity
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15
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A substance is acidic or alkaline used to determine if a solution
indicator
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15
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............,is the process of adding a proton to a species.
Protonation
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15
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This solution turns pink after adding phenolphthalein. Is it an acid or a base?
Base
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15
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.....: is pure water contains no impurities and minerals .
Distilled water
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trap
No points!
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magnet
Take 15 points!
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rocket
Go to first place!
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banana
Go to last place!
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eraser
Reset score!
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gift
Win 25 points!
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gift
Win 25 points!
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thief
Give points!
5
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25
×
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