science test revision

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7 Terms

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Acid

Corrosive substance which has a ph lower than 7 acidity is caused by a high concentration of hydrogen ions

2
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Acidic

Having a ph lower than 7

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Alkali

A base which is soluble in water

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Alkaline

Having a ph greater than 7

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Base

A substance that reacts with an acid and neutralises it

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Oxidation

the reaction of other elements with oxygen

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Combustion

Burning fuel in oxygen