Choater 3 Flashcards
1
Q
In a single molecule of water, two hydrogen atoms are bonded to a single oxygen atom by
A
Polar covalent bonds
2
Q
What effect is produced by the high surface tension of water
A
A water strider can walk across the surface of a small pond
3
Q
Hydrophobic substances such as vegetable oil are
A
Nonpolar substances substances that repel water molecules
4
Q
What is true about buffer solutions
A
They maintain a relatively constant pH when either acids or bases are added to them
