'Bordeaux mixture' is used as a fungicide. It is a mixture of

Consider three metal chlorides $x$,$y$ and $z$,where $x$ is water soluble at room temperature,$y$ is sparingly soluble in water at room temperature and $z$ is soluble in hot water. $x$,$y$ and $z$ are respectively:

On heating $ZnCl_2 \cdot 2H_2O$,the compound obtained is

The correct order of solubility in water is:

Which of the following is an $\text{Incorrect}$ statement?

Which of the following is $NOT$ obtained when metal carbides react with $H_2O$?