Properties of Water

Why does ice float on water?

• Because ice is a gas
• Because ice is less dense than water
• Because ice has the same density as water
• Because ice is more dense than water

What are the cohesive and adhesive properties of water?

• Water molecules repelling each other and other substances
• Water molecules reacting with other substances
• Water molecules sticking to each other and to other substances
• Water molecules dissolving other substances

What is the unique density property of water as a solid?

• Water as a solid has the same density as water as a liquid
• Water as a solid is less dense than water as a liquid
• Water as a solid is more dense than water as a liquid
• Water as a solid is a gas

What happens to the density of most liquids when they become solid?

• Decrease
• Cannot be determined
• Remain the same
• Increase

Why is water considered a polar molecule?

• Because it has a positive charge near the hydrogen atoms and a negative charge near the oxygen atom
• Because it has a negative charge near the hydrogen atoms and a positive charge near the oxygen atom
• Because it has no charge
• Because it consists of two hydrogen atoms and one oxygen atom

What is surface tension and how is it related to water?

• The ability of water to dissolve other substances
• The ability of water to stick to other substances
• The ability of water to repel other substances
• The ability of water to form a film on its surface

What is specific heat capacity and why is it significant for water?

• The ability of water to react with other substances
• The ability of water to absorb and retain heat
• The ability of water to repel other substances
• The ability of water to dissolve other substances

What allows water to dissolve many substances?

• The polarity of water molecules
• The high specific heat capacity of water
• The adhesive properties of water
• The cohesive properties of water

What properties of water make it vital to life?

• Its low boiling point
• Its lack of reactivity
• Its ability to dissolve many substances
• Its high density

What are the components of water?

• One hydrogen atom and one oxygen atom
• Two oxygen atoms and one hydrogen atom
• One oxygen atom and one hydrogen atom
• Two hydrogen atoms and one oxygen atom