1.

Discuss the physical properties of (i) Cac_(2) ""(ii) SiC "" (iii) CaCO_(3) "" (iv) Na_(2)CO_(3) "" (v) NaHCO_(3)

Answer»

Solution :(i) GREYISH black crystalline SOLID , M.P. `2300^(@)C`, non- conductor of electricity .
(II) Insoluble in `H_(2)O`, density 3.22 g/`cm^(3)`, hard substanceM.P. `2700^(@)C`.
(iii) White crystalline solid with M.P. `825^(@)C`, insoluble in `H_(2)O`.
(iv) White crystalline solid with M.P. `851^(@)C`, insoluble in `H_(2)O`.
(v) White crystalline, SPARINGLY soluble in water.


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