Question

4. Write the chemical formula of the following compounds: [10x0.5=5]
i)Table salt ii)slaked lime iii)Bleaching powder iv) plaster of paris v) Chalk vi) Limestone vii) Carbolic acid viii) Baking soda ix)Blue vitriol x )Philosophers wool.

Answer 1

i) Table salt is NaCl
ii) Slaked lime is Ca(OH)₂
iii) Bleaching powder is CaOCl₂
iv) Plaster of Paris is CaSO₄.1/2H₂O
v) Chalk is CaCO₃
vi) Limestone is also CaCO_​3
vii) Carbolic acid is C₆H₅OH
viii) Baking Soda is NaHCO₃
ix) Blue vitriol is CuSO₄.5H₂O