FOR FORMATIVE AND SUMMATIVE ASSESSMENT
A C Sahgal Science Solutions for Exercise - FOR FORMATIVE AND SUMMATIVE ASSESSMENT
Simple step-by-step solutions to FOR FORMATIVE AND SUMMATIVE ASSESSMENT questions of Separation of Substances from LIVING SCIENCE 6. Also get 3D topic explainers, cheat sheets, and unlimited doubts solving on EMBIBE.
Questions from FOR FORMATIVE AND SUMMATIVE ASSESSMENT with Hints & Solutions
There are very few pure elements or compounds around us. Most substances are mixtures.
The constituents of all mixtures are uniformly spread throughout the mixture.
Is a solution of sugar in water homogeneous or heterogeneous?
We have to separate a mixture into its constituents because only pure compounds are useful to us. Mixtures are not of much use.
Name the method used to speed up the process of sedimentation.
Name the method used to obtain salt from sea water.
Can water dissolve liquids and gases also?
The solubility of common salt increases rapidly with rise in temperature.