Question

Experiment 1. Preparation of : a) a true solution of common salt, sugar and alum b) a suspension of soil, chalk powder and fine sand in water c) a colloidal solution of starch in water and egg albumin/milk in water and distinction between these on the basis of • transparency • filtration criterion • stability

Answer 1

Answer:

Step 1: Three beakers are taken and 100 ml of water is added in each of them and labelled them as A, B and C respectively. Step 2: 10g of finely powdered common salt, sugar and alum is added in each beaker separately. Step 3: Solution is stirred with the help of glass rod. ... A true solution is transparent.