Caustic soda formula: Sodium has valency +1 and is represented

Sodium has valency +1 and is represented as N a, and hydroxyl has a valency of −1 and is represented as OH −. Caustic soda is N aOH. Molar mass = 23+16+1 =40gmol−1. A student compiled formulae and common names for various substances, but he neglected to record which formula corresponds to which compound. some formulae - 55197727 Give equation (b) Name a white insoluble oxide that dissolves when fused with caustic soda or caustic potash. (c) What is the reaction of freshly precipitated aluminium hydroxide with caustic soda solution? Give equation. (d) Identify the blue solution that turns deep blue on addition of excess of NH 4 OH. 10g of caustic soda dissolved in 100ml of water makes a solution of caustic soda . Amount of caustic soda needed for 1 litre of water to make the same type of solution is ___.