NCERT solutions for class 9th // Science // Chapter 2- Is matter around us pure
NCERT solutions > class 9th > science NCERT solutions for class 9th // Science // Chapter 2- Is matter around us pure Chapter 2- Is matter around us pure Page No. 15 Q1. What is mean by a substance? Ans - A pure substance made up of single type of particles . Q2. List the points of differences between homogeneous and heterogeneous mixture? Ans- Homogeneous mixture A mixture of uniform composition of all the substance throughout it is called homogeneous mixture. It does not show visible boundaries of separation. A mixture of sugar in water here the composition of the sugar and water is similar The mixture of two visible liquid in is also homogeneous mixture example - a mixture of water and alcohol Heterogeneous mixture A mix...