NCERT 9th Class (CBSE) Science: Is Matter Around Us Pure – Quiz
27 Multiple Choice Questions related to NCERT 9th Class (CBSE) Science: Is Matter Around Us Pure – Quiz:
- A substance which contains particles of one or more substances in no fixed ratio. Sugar solution can be created by adding any amount of water and so it is a mixture. The sugar does not reacts chemically with water.
- The smallest particles of hydrogen and oxygen are hydrogen atom and oxygen atom respectively where as the smallest particle of water is a water molecule which is made up of hydrogen and oxygen further.