1. Take a few drops of oil in a glass of water and shake well. What is this mixture called as?
2. Now divide the above mixture in two portions. In one portion add small amount of soap and shake it properlyIn another portion add a small amount of soap and after shaking properly add a little common salt to it. Keep the mixtures for some time.Note the observations and give explanations for the same.
3. Take one cup of milk and add one spoon of curd to it. Note the observations after 2, 4, 6 and 8 hours. Give reasons for the observations.
4. Take a glass of colored water and put some drops of this water on the given materials below: Cotton, tissue paper, polythene bag, tracing paper, sponge, carbon paper, notebook paper, newspaper, chalk and salt.
Based on your observation list the materials as adsorbent, absorbent and non-absorbent.
chem XII Q5
