Podcast
Questions and Answers
What gives water some key properties?
What gives water some key properties?
- Formation of hydrogen bonds (correct)
- Presence of ionic bonds
- Lack of any type of bonds
- Formation of covalent bonds
What type of molecule is water?
What type of molecule is water?
- Nonpolar molecule
- Ionic molecule
- Covalent molecule
- Polar molecule (correct)
What occurs due to the attraction between the positively charged oxygen and the negatively charged hydrogen in water?
What occurs due to the attraction between the positively charged oxygen and the negatively charged hydrogen in water?
- Formation of ionic bonds
- Formation of covalent bonds
- No specific interaction occurs
- Formation of hydrogen bonds (correct)
What do hydrogen bonds cause between 0°C and 100°C?
What do hydrogen bonds cause between 0°C and 100°C?
What must happen in order for water to evaporate?
What must happen in order for water to evaporate?
Why does water remain a liquid up to 100°C?
Why does water remain a liquid up to 100°C?
What happens to the formation of hydrogen bonds between water molecules at 0°C?
What happens to the formation of hydrogen bonds between water molecules at 0°C?
Why does ice float in water?
Why does ice float in water?
What property of water makes it essential for the survival of aquatic organisms in terms of temperature regulation?
What property of water makes it essential for the survival of aquatic organisms in terms of temperature regulation?
Why does the surface tension of water create a habitat for invertebrates like pond skaters?
Why does the surface tension of water create a habitat for invertebrates like pond skaters?
How does the high latent heat of vaporisation of water benefit living things?
How does the high latent heat of vaporisation of water benefit living things?
What enables water to transport substances around the body?
What enables water to transport substances around the body?
Why does a body of water maintain a fairly constant temperature?
Why does a body of water maintain a fairly constant temperature?
What is the role of ice in supporting organisms below its surface?
What is the role of ice in supporting organisms below its surface?
Why does sweating help in cooling the surface of living things?
Why does sweating help in cooling the surface of living things?
How does the transparency of water benefit aquatic plants?
How does the transparency of water benefit aquatic plants?
