What is $Rasavidya$?

The total mass of a mixture containing $5.6 \ L$ of $H_2O$ and $1 \ g$ atom of $Zn$ is ............... $g$ $[H = 1, O = 16, Zn = 65.5]$

Which of the following statements is incorrect for the compound $A_xB_y$?

The number of oxygen atoms in a solution prepared by dissolving $34.2 \ g$ of sucrose in $90 \ g$ of water is:

The incorrect postulates of the Dalton's atomic theory are :
$A$. Atoms of different elements differ in mass.
$B$. Matter consists of divisible atoms.
$C$. Compounds are formed when atoms of different element combine in a fixed ratio.
$D$. All the atoms of given element have different properties including mass.
$E$. Chemical reactions involve reorganisation of atoms.
Choose the correct answer from the options given below :

Which of the following formulas is correctly represented according to Stock notation?