1. Objects appear to weigh less in water than air.   True   False   2. Chlorine is added to drinking water to kill microbes that cause illness. This is known as   Chlorination   Elimination   Microbe Termination   Vaporization   Hint Half-n-half Clue   3. Water is known as the universal solvent.   True   False   4. Water which is absolutely pure and free from any impurity is known as   Distilled Water   Mineral Water   Spring Water   Boiled Water   Half-n-half Clue   5. Water at room temperature is a   Liquid   Solid   Gas   Plasma   Half-n-half Clue   6. It is easy to make lather with hard water.   True   False   7. A salt which absorbs water is called:   Hygroscopic Salt   Anhydrous Salt   Hydrophilic Salt   Hydrophobic Salt   Half-n-half Clue