Acids, alkalis and indicators

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  • Created by: Naylaxox
  • Created on: 09-02-14 11:09
Indicator - Litmus
In acid: Red In water: Blue In Alkali: blue
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Indicator - Phenolphthalein
In acid: Colourless In water: Colourless In Alkali: pink
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Indicator - methyl orange
In acid: Red In water: Orange In Alkali : Orange
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Acids
Give Characteristic colours with indicators and have pH below 7, Produce the H+ ion when dissolved in water, React with metals to give a salt + hydrogen. React with metal oxides to give salt + water and react with metal carbonates.givesalt +water+co2
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Alkalis
Give characteristic colours with indicators and have a pH above 7. Product the OH- ion when dissolved in water and react with acids to give salt + water
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Common acids
common acids +salts they produce hydrochloric acids produce chlorides. Nitric acid produces nitrates and sulfuric acids produce sulfates, ethanoic acids produce ethanoates.
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General Word equations
Acid + metal = salt + hydrogen.
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Other cards in this set

Card 2

Front

In acid: Colourless In water: Colourless In Alkali: pink

Back

Indicator - Phenolphthalein

Card 3

Front

In acid: Red In water: Orange In Alkali : Orange

Back

Preview of the back of card 3

Card 4

Front

Give Characteristic colours with indicators and have pH below 7, Produce the H+ ion when dissolved in water, React with metals to give a salt + hydrogen. React with metal oxides to give salt + water and react with metal carbonates.givesalt +water+co2

Back

Preview of the back of card 4

Card 5

Front

Give characteristic colours with indicators and have a pH above 7. Product the OH- ion when dissolved in water and react with acids to give salt + water

Back

Preview of the back of card 5
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