The process of manufacture of absolute alcohol from rectified spirit is:

Azeotropic mixture of $HCl$ and water has .......... $\%$ $HCl$.

$A$ liquid mixture that boils without changing its composition is called:

Components of a binary mixture of two liquids $A$ and $B$ were being separated by distillation. After some time,the separation of components stopped and the composition of the vapour phase became the same as that of the liquid phase. Both the components started coming in the distillate. Explain why this happened.

Which of the following statements is true?

An azeotropic solution of two liquids is one that: