Consider the relation between the item in the first pair and write the correlation for second pair: O : 2, 6 : : Mg : -----.
Complete the following chemical reactions: Na_2 CO_3 +H_2 O+CO_2 to……….
Consider the relation between the items in the first pair and write the correlation for the second pair: NaH : Valency of Na : 1 : : MgCl_2 : Valency of Mg -----
Answer the following question: State two properties of sodium carbonate (Na_2 CO_3. 10H_2O)
Find out the correlations: Alumina : Al_2O_3 :: Sodium aluminate:______
CHETANA PUBLICATION-Substances in Common Use-EXERCISE