chemistry - acids, bases and salts

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Last updated 5:31 PM on 9/19/26
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18 Terms

1
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methyl orange in acid

red (m)

2
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methyl orange in neutral

yellow (n)

3
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methyl orange in alkali

yellow (a)

4
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litmus in acid

red (l)

5
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litmus in neutral

purple

6
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litmus in alkali

blue (l)

7
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phenolphthalein in acid

colourless (1)

8
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phenolphthalein in neutral

colourless

9
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phenolphthalein in alkali

pink

10
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universal indicator in acid

red (u)

11
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universal indicator in neutral

green

12
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universal indicator in alkali

blue (u)

13
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1

red (strong acid)

14
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14

purple (strong alkali)

15
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acid + metal

salt + hydrogen

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acid + metal oxide

salt + water

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acid + metal hydroxide

salt + water (h)

18
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acid + metal carbonate

salt + water + carbon dioxide