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Showing 8521–8550 of 12584 guides
Physics
Ultraviolet waves, X-rays and gamma rays can have hazardous effects on…
AQAGCSE
8463
Combined Science
Ultraviolet waves, X-rays and gamma rays can have hazardous effects on…
AQAGCSE
8464
Physics
X-rays and gamma rays are ionising radiation that can cause the mutation…
AQAGCSE
8463
Combined Science
Properties of hydrocarbons: boiling points
AQAGCSE
8464
Chemistry
During combustion, the carbon and hydrogen in the fuels are oxidised.
AQAGCSE
8462
Combined Science
Properties of hydrocarbons: flammability.
AQAGCSE
8464
Chemistry
Some properties of hydrocarbons depend on the size of their molecules,…
AQAGCSE
8462
Combined Science
Some properties of hydrocarbons depend on the size of their molecules,…
AQAGCSE
8464
Combined Science
Students should be able to recall how boiling point, viscosity and…
AQAGCSE
8464
Chemistry
Students should be able to recall how boiling point, viscosity and…
AQAGCSE
8462
Chemistry
Students should be able to write balanced equations for the complete…
AQAGCSE
8462
Combined Science
Students should be able to write balanced equations for the complete…
AQAGCSE
8464
Chemistry
The combustion of hydrocarbon fuels releases energy.
AQAGCSE
8462
Combined Science
The combustion of hydrocarbon fuels releases energy. During combustion,…
AQAGCSE
8464
Chemistry
The complete combustion of a hydrocarbon produces carbon dioxide and water.
AQAGCSE
8462
Chemistry
These properties influence how hydrocarbons are used as fuels.
AQAGCSE
8462
Combined Science
Properties of hydrocarbons: viscosity
AQAGCSE
8464
Combined Science
Ionic compounds have regular structures (giant ionic lattices) in which…
AQAGCSE
8464
Chemistry
Ionic compounds have regular structures (giant ionic lattices) in which…
AQAGCSE
8462
Combined Science
These compounds have high melting points and high boiling points because…
AQAGCSE
8464
Chemistry
These compounds have high melting points and high boiling points because…
AQAGCSE
8462
Chemistry
When melted or dissolved in water, ionic compounds conduct electricity…
AQAGCSE
8462
Combined Science
When melted or dissolved in water, ionic compounds conduct electricity…
AQAGCSE
8464
Chemistry
In pure metals, atoms are arranged in layers, which allows metals to be…
AQAGCSE
8462
Combined Science
In pure metals, atoms are arranged in layers, which allows metals to be…
AQAGCSE
8464
Chemistry
Metals have giant structures of atoms with strong metallic bonding.
AQAGCSE
8462
Combined Science
Metals have giant structures of atoms with strong metallic bonding. This…
AQAGCSE
8464
Chemistry
Pure metals are too soft for many uses and so are mixed with other metals…
AQAGCSE
8462
Combined Science
Students should be able to explain why alloys are harder than pure metals…
AQAGCSE
8464
Chemistry
Students should be able to explain why alloys are harder than pure metals…
AQAGCSE
8462
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