8. Name a substance which can be dissolved completely in water.
Name a substance which when dissolved in water contains ions and molecules.
Name the following with one word.
1) A substance containing only one kind of atom. _________
2) A substance in good conductor of electricity. __________
3) A substance which can be easily broken. __________
4) The oxides of metals which dissolve in water to form bases. _________
5) When oxides of a non-metal are dissolved in water to form acids. __________
Name a substance that when dissolved in water contains only ions.