chem mini test 1

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Last updated 10:38 AM on 9/19/26
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26 Terms

1
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Acidic solution
pH below 7
2
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Neutral solution
pH 7
3
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Alkaline solution
pH above 7
4
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Litmus in acid
Red
5
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Litmus in neutral
Purple
6
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Litmus in alkali
Blue
7
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Methyl orange in acid
Red
8
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Methyl orange in neutral
Orange
9
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Methyl orange in alkali
Yellow
10
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Phenolphthalein in acid
Colourless
11
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Phenolphthalein in neutral
Colourless
12
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Phenolphthalein in alkali
Pink
13
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pH 0:2
Red, strong acid
14
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pH 3:4
Orange, weak acid
15
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pH 5:6
Yellow, weak acid
16
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pH 7
Green, neutral
17
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pH 8:10
Blue/blue
18
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pH 11:14
Purple, strong alkali
19
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Strong acid
Completely ionises in water
20
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Weak acid
Partially ionises in water
21
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Strong alkali
Completely dissociates in water
22
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Weak alkali
Partially dissociates in water
23
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Acid + metal
Salt + hydrogen
24
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Acid + metal oxide
Salt + water
25
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Acid + metal hydroxide
Salt + water
26
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Acid + metal carbonate
Salt + water + carbon dioxide