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15
×
The more acidic the solution, the ______ the pH.
lower
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15
×
How can we use litmus paper to test the pH of gases?
The litmus paper must be damp.
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banana
Go to last place!
Oops!
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fairy
Take points!
5
10
15
20
25
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rocket
Go to first place!
Okay!
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banana
Go to last place!
Oops!
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
×
Universal Indicator is green in the presence of a substance. What does this indicate?
The substance is neutral.
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15
×
Acids have a pH of _____ than __.
less than 7
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15
×
A substance contains an excess of OH- ions. What is its pH?
It is alkaline, so it is higher than 7.
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15
×
Which acid is present in orange juice?
citric acid
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15
×
Acids turn litmus paper _____.
red
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15
×
What adjective means "can eat through material"
corrosive
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15
×
The acidic oxides of sulfur, phosphorus, and carbon produce acids when dissolved in water. When pure, they are ________ molecules.
covalent
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×
banana
Go to last place!
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×
shark
Other team loses 15 points!
Okay!
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shark
Other team loses 20 points!
Okay!
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thief
Give points!
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25
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
×
Non-metals generally form _______ oxides that dissolve in water to form _______ solutions.
acidic
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×
thief
Give points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
fairy
Take points!
5
10
15
20
25
×
thief
Give points!
5
10
15
20
25
15
×
What adjective is the opposite of "dilute"?
concentrated
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