1. The process of conversion of water vapor to water on the surface of a cold glass tumbler is known as   Condensation   Evaporation   Boiling   Vaporization   Hint Half-n-half Clue   2. 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   3. What is formed when hydrogen burns in oxygen?   Water   Carbon Dioxide   Hydrogen Peroxide   Carbon Monoxide   Half-n-half Clue   4. What is the melting point of ice?   0 oC   12 oC   32 oC   100 oC   Half-n-half Clue   5. Water is known as the universal solvent.   True   False   6. What is the boiling point of water?   0 oC   32 oC   50 oC   100 oC   Half-n-half Clue   7. Steam is the _______ form of water.   Gaseous   Solid   Liquid   Impure   Half-n-half Clue