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| substances that are compounds of carbon, hydrogen and oxygen. |
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| the common name for sodium hydroxide |
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| a weak acid found naturally in oranges and lemons. |
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| the rocky outer layer of the earth |
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| a reaction in which a substance breaks down into two or more new substances |
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| a dehydrated substance has had its water removed |
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| a dilute substance is mixed with water to make it less concentrated |
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| the method of collecting dense gases in a container |
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| enough of a substance to react completely and have some left over ate the end of the reaction |
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| a syringe, usually made of glass, used to collect gases in the labrotory |
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| a hydrated substance contains water molecules |
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| a reaction in which water is added to a substance |
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| does not dissolve in water |
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| a salt that does not dissolve in water |
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| a particle made up from atoms joined together with chemical bonds |
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| the recation between an acid and an alkalis (or other base) to forma neutral solution |
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| a compund of a metal found naturally from which metals can be extracted |
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| a chemical reaction in which oxygen is added to a substance |
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| a substance that has had oxygen added to it in a chemical reaction is said to be oxidised |
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| a chemical that can cause an oxidisation reaction |
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| the insoluble solid formed in a precipitation reaction |
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| a reaction in which a solid is formed when two solutions are mixed together |
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| a starting substance for the manufaction of a particular chemical |
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| the more reactive a sunstance is the more likely it will react with other subtances |
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| a list of metals or non metals, in the order of their reactivity |
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| a substance that has had oxygen taken from it in a chemical reaction is said to be reduced |
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| a chemical reaction in which oxygen is taken away from a substance |
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| one of the substances produced in a neutralisation reaction |
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| dissolves in water to make a solution |
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| a salt that dissolves in water |
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| a stable compound needs a lot of energy to break it down into simpler substances |
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| a reaction in which a substance is broken down using heat energy |
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| the method of collecting gases, that are less dense then air, in an upside-down container.s |
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