Question

Water mixed with potash alum is taken in beaker. A and salt solution is taken in beaker B light is passed through both the beaker in which beaker the path of light is visible. Why

Answer 1

Both the test tubes contain true solutions.  

The potash alum and the salt are completely soluble in water. So the test tubes a and b are true solutions.  

True solutions: These are homogeneous solutions in which the solute is completely dissolved in the solvent.

In true solutions, the light rays pass through it, when a beam of light is passed.  

Therefore when the light is passed through both the beakers a and b, the path of light is visible but is not scattered.