iGCSE Chemistry Edexcel solubility rules, Acid base reactions

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33 Terms

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All of their common salts are soluble

Sodium, potassium and ammonium compounds

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All of these are soluble

nitrates

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Soluble except for silver and lead (II)

common chlorides

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soluble except for those of barium, calcium and lead(II)

common sulfates

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insoluble except for those of sodium, potassium and ammonium

common carbonates

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insoluble except for those of sodium, potassium and calcium (calcium salt is slightly soluble).

common hydroxides

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sulfuric acid

H₂SO₄

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Nitric Acid

HNO₃

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hydrochloric acid

HCl

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Acid + Metal

salt + hydrogen

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Acid + metal oxide/hydroxide

salt + water

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Acid + metal carbonate

salt + water + carbon dioxide

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Acid + ammonia

ammonium salt

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Ammonia

NH₃

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A soluble base

Alkali

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Method to get soluble salt from solution

crystallisation

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Method to get insoluble salt from solution

filtration

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two solutions react to form an insoluble solid

precipitation reaction

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Methyl orange in acid

red

<p>red</p>
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Methyl orange in alkali

yellow

<p>yellow</p>
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Phenolphthalein in acid

Colourless

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phenolphthalein in base

pink

<p>pink</p>
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Litmus in acid and alkali

red and blue

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Method to find the unknown concentration of acid or alkali

titration

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A substance that change colour in acid or alkali

indicator

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acid in solution are a source of

Hydrogen ions

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alkali in solution are a source of

hydroxide ions

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acids are

proton donors

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bases are

proton acceptors

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burette

burette

<p>burette</p>
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pipette

pipette

<p>pipette</p>
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pipette filler

knowt flashcard image
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conical flask

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