HCS Bio SOL Prep Quiz - Chemistry of Life - Water and pH

When a molecule has an opposite electrical charge on each end, it is known as what?

• cohesion
• polar molecule
• hydrogen bond
• solution

Tags

NGSS.HS-PS1-3

What word describes when water is attracted to other substances?

• cohesion
• adhesion
• capillary action
• surface tension

When water molecules stick easily to other water molecules, this is called what?

• cohesion
• adhesion
• solution
• polar molecule

Water is a universal solvent because it...

• It can be found anywhere
• It freezes when it gets cold
• floats when frozen
• Dissolves most substances

Water beads up on the surface of a penny because of what property?

• Adhesion
• High Surface Tension
• Universal Solvent
• Changes in Density

The pH scale is a range from:

• 1-7
• 0-14
• 1-5
• 1-20

Complete the sentence.
A substance that is more basic has a _____ pH than a substance that is acidic.

• lower
• higher
• the same
• none of the above

An acid

• is a substance that releases H+ ions when dissolved in water

• is a substance that does not release any ions when dissolved in water

• is a substance that releases OH- when dissolved in water

• releases an equal amount of OH- and H+ ions when dissolved in water

Tags

NGSS.MS-PS1-2

Water has a neutral because

• it has more H+ ions than OH-

• it has more OH- ions than H+

• it does not produce any ions

• it has an equal amount of H+ and OH- in solution

Tags

NGSS.HS-ESS2-5

A solution has a pH of 7.0.  What would happen to the pH if OH ions were added?

• pH would go up
• pH would go down
• pH would stay the same
• None of these

Tags

NGSS.MS-PS1-2