Question

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:

Answer the following questions:

Mixtures are constituted by more than one kind of pure form of matter, known as a substance. A student mixes salt and egg white in two separate beaker A and B respectively filled with water. They pass a beam of light through the mixture in the beaker in dark and observed that the path of light is visible in only beaker B.