An element (A) belonging to group number 1 and period number 3 react with dihydrogen to form an hydride (B). The element (A) reacts with the universal solvent to give a strong base (C). Identify A, Band C.
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(i) An element (A) belonging to group number 1 and period number 3 is sodium (A) (ii) Sodium reacts with hydrogen to form sodium Hydride (B) `underset((A))2Na+underset((B))H_2to2underset((C ))NaH` (iii) Sodium reacts with water to form sodium hydroxide (C ). `underset((A))2Na+2H_2Otounderset((C ))2NaOH+H_2`
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