NCERT Exercise 4 - Atoms and Molecules
Question: Write the chemical formulae of the following: (a) Magnesium chloride (b) Calcium oxide (c) Copper nitrate (d) Aluminium chloride (e) Calcium carbonate.
Answer: (a) MgCl2, (b) CaO, (c) Cu(NO3)2, (d) AlCl3, (e) CaCO3
Full step-by-step NCERT solution with diagrams on Something by Zero.