1. Water in solid form is known as   Ice   Soda   Crystal   Dry Ice   Hint Half-n-half Clue   2. What is formed when hydrogen burns in oxygen?   Water   Carbon Dioxide   Hydrogen Peroxide   Carbon Monoxide   Half-n-half Clue   3. What is the melting point of ice?   0 oC   12 oC   32 oC   100 oC   Half-n-half Clue   4. Steam is the _______ form of water.   Gaseous   Solid   Liquid   Impure   Half-n-half Clue   5. What is the boiling point of water?   0 oC   32 oC   50 oC   100 oC   Half-n-half Clue   6. 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   Half-n-half Clue   7. Earth is known as the blue planet because of the presence of   Water   Atmosphere   The continents   Sky   Half-n-half Clue