Quench Your Thirst: Water Quiz Test your knowledge about the most essential drink on earth - water. Stay hydrated and take this quiz! delya90 published on February 27 Stacked 1/12 What is the chemical formula for water? H2O CO2 NaCl CH4 2/12 Which of these is NOT a property of water? It is a good conductor of electricity It has a high surface tension It is a universal solvent It expands when frozen 3/12 How much of Earth's surface is covered in water? 50% 70% 30% 90% 4/12 What is the freezing point of water in Celsius? 0°C 100°C -10°C 20°C 5/12 Where is the world's largest reservoir of water? Oceans Antarctica Ice Sheet Atmosphere Rivers and Lakes 6/12 What percentage of the human body is water? 50% 60% 40% 70% 7/12 Which country consumes the most bottled water per capita? Italy France United States China 8/12 What is the process of converting saltwater to freshwater called? Dehydration Desalination Distillation Purification 9/12 Which vitamin is naturally found in watermelon? Vitamin A Vitamin B Vitamin C Vitamin D 10/12 What is the most abundant element in Earth's oceans? Oxygen Carbon Hydrogen Nitrogen 11/12 How many glasses of water should the average person drink per day? 5-6 8 10-12 3-4 12/12 Which of the following is NOT a source of drinking water? River Pond Distilled seawater Well