You should know

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Year 10 Chemistry Revision Term 1
Acids and Alkalis (Year 8)
You should know:

The names of acids and alkalis.

Acids are sour, soluble substances.

Alkalis are soluble and the chemical opposite of acids.

Strong acids and alkalis are corrosive.
 Neutral substances are neither acidic nor alkaline.


Indicators change colour in acids and alkalis.
Colours of Litmus and Universal Indicator.

The pH scale.

Every day uses of neutralisation.
States of Matter (Year 9)
You should know:
•
The names and properties of the three states of matter.
•
How to change from one state into another.
•
The particle (kinetic) theory of solids, liquids and gases.
•
How to explain the properties of solids, liquids and gases using the
particle (kinetic) theory.
•
How diffusion occurs.
•
The definitions of the words element, compound, atom, molecule.
•
The names, symbols, description and uses of certain elements.
•
How to relate the properties of a material to its uses.
Acids, Bases and Salts (Year 10)
You should know:
•
The names and formulae of common laboratory acids.
•
Acids are substances which want to replace their hydrogen with a metal.
•
A base is a metal oxide or metal hydroxide.
•
An alkali is a soluble base.
•
The names and formulae of common laboratory bases.
•
How to explain the terms strong, weak, concentrated, dilute with
reference to acids and alkalis.
•
The colours of a range of indicators in acids, alkalis and neutral solutions.
•
The properties of acids.
•
How to name salts.
•
How to write word equations to describe chemical reactions.
•
How to make salts by
(a) reacting an acid with a metal
(b) reacting an acid with an insoluble base
(c) reacting an acid with an alkali.
•
A titration is an accurate neutralisation reaction.
Gases
You should know:
• How to make and test oxygen.
•
The definition of combustion.
•
Oxides are formed when substances burn in air.
•
Metal oxides are basic and non-metal oxides are acidic.
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