Team 1
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Team 2
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Teams
Name
Score
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heart
Other team wins 5 points!
Oops!
×
rocket
Go to first place!
Okay!
×
rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
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banana
Go to last place!
Oops!
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seesaw
Swap points!
Okay!
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fairy
Take points!
5
10
15
20
25
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thief
Give points!
5
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15
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25
15
×
The more acidic the solution, the ______ the pH.
lower
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Check
15
×
Which acid is present in orange juice?
citric acid
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Check
×
baam
Lose 5 points!
Oops!
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star
Double points!
Okay!
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fairy
Take points!
5
10
15
20
25
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baam
Lose 25 points!
Oops!
15
×
Acids have a pH of _____ than __.
less than 7
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15
×
Universal Indicator is green in the presence of a substance. What does this indicate?
The substance is neutral.
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15
×
Non-metals generally form _______ oxides that dissolve in water to form _______ solutions.
acidic
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25
×
Give an exception to the rule that "Oxides of non-metals are acidic oxides."
Water. It can be considered hydrogen oxide and a neutral oxide.
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15
×
A substance contains an excess of H+ ions. What is its pH?
It is acidic, so it is lower than 7.
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trap
No points!
Oops!
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star
Double points!
Okay!
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shark
Other team loses 20 points!
Okay!
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baam
Lose 20 points!
Oops!
25
×
What does "pH" actually stand for, anyway?!?!
The German "potenz H(ydrogen)", which means the power of the hydrogen-ion concentration.
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15
×
Metals form oxides that are solids. If they dissolve in water, these oxides give _______ solutions.
alkaline
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15
×
What is the most accurate method to measure pH?
Use a pH meter which uses an electrode to measure pH electrically.
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15
×
Alkalis have a pH _________ than __.
greater than 7
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15
×
What adjective is the opposite of "concentrated"?
dilute
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×
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