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This is an endothermic reaction.
a mixture remains physically and chemically unchanged-like sand and sugar however,two elements that have the ability to react when 'mixed' physically and chemically change such that one or more compounds are formed . this is not a mixture . conclusion: parts of a mixture do not change.
chemical change
chemical change
a solid spred through a liquid
Water boiling is a phase change, which is a kind of physical change.
chemical change
Fertilizer that you buy at a gardening store is usually heterogeneous.
Filtration Distillation Sedimentation Centrifugation Evaporation
A mixture
Metamorphic
a mixture is not a substance