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List four reasons to support that water is a compound and not a mixture.
A spoonful of sugar is added to a beaker containing 500 ml of water and stirred for a while. State any two observations that you will make.
Account for your observations.
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.
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