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===About a Mortar and Pestle===
: A '''mortar and pestle''' are [[ceramic]] so they are very hard which makes them suited to crushing other [[solid]]s.
==Key Stage 4==
===Meaning===
A '''mortar and pestle''' are pieces of [[equipment]] used to grind [[solid]] [[chemical]]s into powder.
===About a Mortar and Pestle===
: A '''mortar and pestle''' are [[ceramic]] so they are very hard which makes them suited to crushing other [[solid]]s.
: A '''mortar and pestle''' is used to increase the [[Surface Area|surface area]] of a [[solid]] to increase its [[Rate of Reaction|rate of reaction]] when in a [[Reaction Mixture|reaction mixture]].