The pH scale and neutralisation

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6 Terms

1
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What ion does an acid produce when dissolved in water?

hydrogen/ H+ ions

2
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What ion does an alkali produce when dissolved in water?

hydroxide ions- OH-

3
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Explain in terms of ions and molecules what happens when any acid reacts with any alkali and what is the name of this reaction?

hydrogen/ H+ ions in the acid react with hydroxide/ OH- ions in the alkali to produce water, this is called neutralisation

4
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What are the two methods used to obtain pH measurements?

Universal indicator and pH probe

5
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Write the word equation for the reaction between ammonia and water

ammonia + water = ammonium + hydroxide

6
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What acid would be used to form ammonium chloride?

Hydrochloric acid