Which of the following methods is most suitable for separating a mixture of iodine and potassium chloride?

Reactants react in the equal number of …….. to give products.

The least count of burette used normally in laboratory is :

A solution is prepared by dissolving 10 g of glucose in 190 g of water. What is the mass percentage of glucose in the solution?

In the following change, $3{\rm{Fe}} + 4{{\rm{H}}_2}{\rm{O}} o {\rm{F}}{{\rm{e}}_3}{{\rm{O}}_4} + 4{{\rm{H}}_2}$. If the atomic weight of iron is 56, then its equivalent weight will be :

For the reaction : ${{\rm{N}}_2} + 3{{\rm{H}}_2} o 2{\rm{N}}{{\rm{H}}_3}$ ; if ${E_1}\,and\,{E_2}$ are equivalent masses of $N{H_3}$ and ${N_2}$ respectively, then ${E_1}\, - \,{E_2}$ is :

Which method is best suited for separating a mixture of two immiscible liquids with different densities?

0.5 grams of sodium hydroxide was treated with $12.5 \mathrm{mL}$ of $0.75 \mathrm{M}$ HCl solution. The mass of sodium hydroxide left unreacted is equal to

A solution is prepared by dissolving 0.25 moles of glucose in 500g of water. What is the molality of the glucose solution?

Weight of ${\rm{FeS}}{{\rm{O}}_4}\left( {{\rm{mol}}{\rm{.wt}}{\rm{.}} = 152} \right)$ oxidized by 200 mL of 1 $N$ ${\rm{KMn}}{{\rm{O}}_4}$ solution is :

What is the unit of molarity?