AQA GCSE Combined Science Trilogy · 8464
Specification 5.7.1.2 · Paper 4
Revise: Fractional DistillationLubricants, which reduce friction between moving surfaces.
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GCSE Combined Science · key term
A substance used to reduce friction between moving surfaces.
Used by AQA and Edexcel
Specification 5.7.1.2 · Paper 4
Revise: Fractional DistillationLubricants, which reduce friction between moving surfaces.
Specification Types of substance · Paper 3, Paper 4
A substance that reduces friction between surfaces moving past one another.
Revise: Carbon structures and simple polymersThe layers can therefore slide over one another easily. This makes graphite soft and slippery, allowing it to act as a lubricant: a material that reduces friction between moving surfaces. Sliding the layers does not require breaking the strong covalent bonds within them.
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