Chemistry
Give two examples each of compounds existing in the following states:
(a) Solid
(b) Liquid
(c) Gaseous
Related Questions
State the difference between the following:
(a) 2H and H2
(b) H2O and 3Н2О ?
Write the molecular formulae of compounds calcium oxide, hydrogen sulphide, lead sulphide, zinc oxide and carbon dioxide.
State two conditions necessary to write the molecular formula of a compound.
State the number of atoms of each element, present in
(a) C6H12O6
(b) H2SO4
(c) HNO3
(d) CaCO3
Also name these compounds.