How much water should be added to $15 \, g$ of salt to obtain a $15 \%$ salt solution (in $, g$)?

What is tincture of iodine? Identify the solute and solvent in 'tincture of iodine.' Why is the Tyndall effect not seen in a true solution?

What are the two components of a solution?

$(a)$ Tabulate the differences between a suspension and a true solution with respect to $(i)$ filtration,$(ii)$ transparency,and $(iii)$ stability.
$(b)$ Give two examples from daily life where the Tyndall effect is observed.

Give an example each of a mixture that shows the following characteristics:
$(i)$ $A$ mixture of two coloured components.
$(ii)$ $A$ mixture of two volatile components with a boiling point difference of less than $25\ K$.
$(iii)$ $A$ mixture of a volatile and a non-volatile solid component.

Classify the substances given in the figure into elements and compounds.