AQUATICS MID TERM 2023

The chemical compound of water is

• HO
• H₂O
• H₃O
• HO₂

The Hydrogen atoms in H₂O are positively charged

• True
• False

Water is a universal solvent

• True
• False

Water freezes at what temperature ?

• 0^o F
• 100^o C
• 32^o C
• 0^o C

Water boils at what temperature?

• 132^o  F
• 212^o C
• 100^o C
• None of the above

What enables a water strider to stand on the water?

• Adhesion
• Cohesion
• Surface Tension
• None of the above

A solvent is...

• a substance into which the solute dissolves
• a compound being dissolved
• a substance that does not dissolve
• None of the above

What two elements make up water?

• Helium and oxygen
• Hydrogen and oxygen
• helium and carbon
• oxygen and carbon

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

The attraction that causes water and other liquids to form drops on thin films (like wax paper) is called ________________. This is also water’s ability to be attracted to other water molecules.

• adhesion
• capillary action
• cohesion
• surface tension