Distinguish among true solution, suspension and colloid in a tabular form under the following heads:
What is meant by concentration of a solution? How will you prepare a 10% solution of glucose in water?
Draw a neat and labelled diagram of the apparatus used to separate components of blue-black ink. Name the process and state the principle involved.
Identify the physical and chemical changes from the following:
Rohit mixed starch with water, boiled the mixture well and stirred it. He observed that -
In the given experiment, a torch is used to pass light through two beakers. Beaker (a) contains a solution of copper sulphate, and beaker (b) contains a mixture of water and milk. Why is the path of light visible in a beaker (b) but not in a beaker (a)?
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