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15
×
What does the corrosive hazard symbol mean?
The substance can burn and destroy living tissue.
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×
banana
Go to last place!
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×
fairy
Take points!
5
10
15
20
25
×
rocket
Go to first place!
Okay!
×
banana
Go to last place!
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15
×
Name one common laboratory alkali.
Sodium hydroxide.
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15
×
Describe the taste of lemons and limes.
Sour and tangy.
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15
×
What should you do if you spill acid?
Wash the area with plenty of water.
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banana
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×
star
Double points!
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rocket
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×
banana
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15
×
Why are strong alkalis dangerous?
They can dissolve skin and cause chemical burns.
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15
×
What color does universal indicator turn in a liquid with a pH of 9?
Blue.
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15
×
What common household products contain alkalis?
Cleaning products.
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15
×
What happens when acids and alkalis mix?
They cancel each other out.
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15
×
How does an indicator show whether a substance is an acid or an alkali?
It changes color depending on the substance.
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15
×
Name a food that contains acid.
Lemon.
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15
×
What does the pH scale measure?
The strength of acids and alkalis.
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15
×
What is the pH of a neutral solution?
7.
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15
×
What does an alkali feel like before it harms the skin?
Soapy.
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×
boom
Lose 50 points!
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rocket
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rocket
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×
lifesaver
Give 5 points!
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×
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