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

When metallic copper comes in contact with moisture,a green powdery/pasty coating can be seen over it. This is chemically known as

$250 \, mL$,$6 \, M$ $HCl$ and $350 \, mL$,$8 \, M$ $HNO_3$ are mixed with water to make the strength of the resulting solution $3 \, N$. What is the volume of water added? $mL$

You are given $500 \ mL$ of $2 \ N \ HCl$ and $500 \ mL$ of $5 \ N \ HCl$. What will be the maximum volume of $3 \ M \ HCl$ that you can make from these two solutions? .............. $mL$

$20 \ mL$ of $2 \ M$ $NaOH$ solution is added to $400 \ mL$ of $0.5 \ M$ $NaOH$ solution. The final concentration of the solution is $.......... \times 10^{-2} \ M$. $(Nearest \ integer)$.

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