Chemistry
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9 Terms
1
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Copper + silver
________ → no reaction (unreactive) layer is insoluble in water, is formed and coated around the metal.
2
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Alkalis
________ have a bitter taste and feels soapy.
3
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Ammonium
________ (NH4) salts contains nitrogen.
4
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electricity
Acids can conduct ________.
5
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Alkalis
________ reacts with acids to form salt and water ONLY.
6
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Alkalis
________ are corrosive when concentrated.
7
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insoluble particles
Precipitate= ________ produced in liquid by chemical reaction.
8
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pH of soil unsuitable for plant growth due to
too much fertiliser added to the soil or environmental pollution such as acidic rain
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pH range -indicator changes colour
5-8