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Ques. Why are ionic compounds soluble in water?
Ans Water is a polar covalent compound having a very high energy of solvation or high dielctric constant. This means that water can easily overcome the electrostatic forces between ions of ionic compounds and make them soluble in itself.
Ques How is charcoal prepared?
Ans. Charcoal is prepared by heating wood strongly in absence of air. This process is called destructive distillation of wood.
In this process, wood is heated strongly in the absence of air to remove volatile impurities and convert wood into charcoal.
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