Take two test tubes, one filled with water and one with kerosene. Now add a spoon of salt in both and stir. You will observe that in the first test tube the salt dissolves completely and in the second test tube it does not dissolve. Which of the following is being tested using the above experiment ?
A) To identify which substance is pure substance and which is a mixture.
B) To identify which mixture is homogeneous and which is heterogeneous.
C) To identify if water and kerosene are a solute or a solvent.
D) To identify which is a saturated solution and which is an unsaturated solution.