Namrata and S P Singh Solutions for Chapter: Elements, Compounds, Symbols and Formulae, Exercise 2: EXERCISE - II

State the number of each element, present in ${\mathrm{C}}_6{\mathrm{H}}_{12}{\mathrm{O}}_6$. Also name the compound.

State the number of each element, present in ${\mathrm{H}}_2{\mathrm{SO}}_4$. Also name the compound.

State the number of each element, present in ${\mathrm{HNO}}_3$. Also name the compound.
 

State the number of each element, present in ${\mathrm{CaCO}}_3$. Also name the compound.

Write the molecular formulae of compounds calcium oxide, hydrogen sulphide, carbon monoxide, and lead sulphide.

Give two examples of the compounds existing in the solid state.

Give two examples of the compounds existing in the liquid state.

Give two examples of the compounds existing in the gaseous state.