Separation

Notes

Separation of Substances Notebook Work Answer the following: 1. Which of the following mixtures would you be able to separate using the method of filtration? A. Oil in water B. Cornflakes in milk C. Salt in water D. Sugar in milk 2. 2.In an activity, the teacher dissolved a small amount of solid copper sulphate in a tumbler half filled with water. Which method would you use to get back solid copper sulphate from the solution? A. Decantation B. Evaporation C. Sedimentation D. Condensation 3. Sheela, Saima, and Ravi are participating in a game where they need to dissolve the maximum amount of sugar in an equal amount of milk. Ravi has hot, boiling milk, Saima has ice-cold milk, and Sheela has milk at room temperature. Who is most likely to win the game, and why? Ans- Ravi is likely to win the game because the solubility of a solute in a solvent increase with temperature. Hot boiling milk can dissolve more sugar compared to milk at room temperature or ice-cold milk. 4. Roma is given a glass bottle with some white substance in it that is either chalk powder or sugar. How can she find out the correct substance without tasting it? Ans. Roma should mix the substance in water. If the white...