if 20 gram of saturated solution of sodium oxide at 95 degree is cook down to 53 degree . how much of sodium oxide will be precipited if solubility of sodium hydroxide at 95 degree is 100 and 55 degree is 50 respectively​

When it is heated, it decomposes into mercury metal and oxygen gas. ... Metal hydroxides decompose on heating to yield metal oxides and water. Sodium hydroxide decomposes to produce sodium oxide and waterWhen it is heated, it decomposes into mercury metal and oxygen gas. ... Metal hydroxides decompose on heating to yield metal oxides and water. Sodium hydroxide decomposes to produce sodium oxide and water..

each chemical family is represented as a group or column on the periodic table. based on chemical properties, there are 6 types of chemical families. group 1 represents alkali metals, group 2 represents alkaline earth metals, groups 3 to 12 represent transition metals, groups 13 to 16 represent non-metals and other metals, group 17 represents halogens and group 18 represents noble gases.