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

What is the approximate percentage by mass of aqueous $HNO_3$ that can be obtained by distillation (in $\%$)?

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?

The mixture of ethanol and water cannot be separated by simple distillation because:

When rectified spirit and benzene are distilled together,the first fraction obtained is