Acids, bases and salts

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1
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What colour does acid show on the universal indicator

Red

2
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What colour does neutral ph show on the universal indicator

Green

3
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What colour do bases show on the universal indicator

Purple

4
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What ions does acids make

Hydrogen ions

5
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What ions does alkalis form

Hydroxide ions

6
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What are soluble hydroxides

Alkalis

7
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What happens when acid reacts with bases

A neutralization reaction happens

8
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What happens when acid reacts with alkali

Acid + alkali → salt + water

9
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How to measure ph more accurately

Use a ph sensor and data logger