Name the following compounds. Also write the symbols/formulae of the ions present in them :
(a) `CuSO_(4)` , (b) ` (NH_(4))_(2)SO_(4)` , (c ) `Na_(2)O` , (d) `Na_(2)CO_(3)` , (e ) `CaCl_(2)`

Write down the names of compounds represented by the following formulae. Also show the ions present in them : (i) Al_(2)(SO_(4))_(3) , (ii) CaCl_(2) , (iii) K_(2)SO_(4) , (iv) KNO_(3) , (v) CaCO_(3)

Na_(2)C_(2)O_(4)+H_(2)SO_(4)(Conc.) to Na_(2)SO_(4)+CO+CO_(2)

Na_(2)C_(2)O_(4)+H_(2)SO_(4)(Conc.) to Na_(2)SO_(4)+CO+CO_(2)

Na_(2)C_(2)O_(4)+H_(2)SO_(4)(Conc.) to Na_(2)SO_(4)+CO+CO_(2)

Sulphur has highest oxidation state in a. SO_(2) b. H_(2)SO_(4) c. Na_(2)S_(4)O_(6) d. Na_(2)S_(2)O_(3)

Write the empirical formulae of the following compounds. (i) C_(6)H_(6) (ii) Na_(2)CO_(3) (iii) C_(6)H_(12)O_(6) (iv) H_(2)O_(2) (v) CH_(3)COOH (vi) CuSO_(4)

What is the valency of the metal in the following formulae? (a) CaCl_(2) , (b) Na_(2)O , ( c) Fe_(2)O_(3)

Calculate the oxidation number of each sulphur atom in the following compounds. (a) Na_(2)S_(2)O_(3) " " (b) Na_(2)S_(4)O_(6) " " ( c) Na_(2)SO_(3) " " (d) Na_(2)SO_(4)