Question
What is the difference between a pure substance and a mixture? Give one example in each case.

Answer

Pure substance: Matter that has the same composition and properties throughout is called a substance.
Eg: Pure water is a pure substance. It consist of only water molecules. 
Mixture: It is the combination of two or more pure substances where each substance retains its own identity.
Eg: Alcohol-water mixture, both co-exist together.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free