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  • Created by: Bethan
  • Created on: 17-03-10 12:03

Alkalis are substances that form OH (hydroxide) ions when they dissolve in water.

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A ph of 7 is...

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Neutral

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A ph of 8-14 is...

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Alkali

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A ph of 0-6 is an...

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Acid

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Covalent substances do not conduct electricity

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What can;t elkectricity pass through?

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POSITIVE - negative electrode

NEGATIVE - positive electrode

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WHY?

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Because opposite attracts =]

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