1. Most of the pure, drinkable water of the earth is in form of   Icebergs   Vapor and Clouds   Spring and River water   Water in the Oceans   Hint Half-n-half Clue   2. Water at room temperature is a   Liquid   Solid   Gas   Plasma   Half-n-half Clue   3. What is formed when hydrogen burns in oxygen?   Water   Carbon Dioxide   Hydrogen Peroxide   Carbon Monoxide   Half-n-half Clue   4. Water exerts pressure on the walls and the bottom of the container in which it is placed.   True   False   5. Chlorine is added to drinking water to kill microbes that cause illness. This is known as   Chlorination   Elimination   Microbe Termination   Vaporization   Half-n-half Clue   6. Water that is suitable for drinking is known as   Potable Water   Chlorinated Water   Distilled Water   Natural Water   Half-n-half Clue   7. What is the boiling point of water?   0 oC   32 oC   50 oC   100 oC   Half-n-half Clue