Question

Kerosene does not dissolve in water. They are called:
A: immiscible liquids
B: solute and solvent
C: solvent and solution
D: miscible liquids

Answer 1

Hint:Kerosene, also called paraffin, coal oil or lamp oil, is actually a combustible hydrocarbon liquid that is being derived from the petroleum. It is most commonly utilized as a fuel in households as well as in aviation.


Complete solution:
Kerosene is basically a low viscous and clear liquid generally formed from the hydrocarbons obtained through the fractional distillation of petroleum. The distribution of the length of hydrocarbons in the mixture that makes up the kerosene usually ranges from the number of carbon atoms from C6 to C20. We know that hydrocarbons whether it is kerosene, petrol or gasoline do not dissolve in water owing to the fact it dissolves like. Water is polar and Kerosene is a non-polar solvent. Also, another reason being Kerosene is much lighter than water due to which it floats on its surface rather than dissolving in water. Let us discuss the terms given in question.
We know that a solute is considered to be a substance which dissolves in a solvent to form a homogeneous mixture i.e. solution. And if two liquids combine in any ratio in order to form a homogeneous solution, those liquids are known as miscible liquids. On the other hand, liquids having either little or no mutual solubility are termed as immiscible liquids.
So in the present case, Kerosene and water are said to be immiscible liquids. Thus, the correct answer is Option A i.e. immiscible liquids.


Note: The two immiscible liquids (e.g oil and water) are usually separated through a technique known as separating funnel. Immiscible liquids are generally separated out in the form of layers depending upon the densities (heavier forms the top layer).