Unit 5

Question 0

Name a characteristic for a base.

Answer 0

Bitter taste, slippery to the touch, ph levels 8-14

Question 1

What is acid rain.

Answer 1

Rain or any precipitation that is unusually acidic with levels of hydrogen ions

Question 2

Give a characteristic of an acid

Answer 2

Taste sour, ph level 0-6, corrosive towards metals.

Question 3

Acid rain main cause?

Answer 3

Nitrogen oxide and sulfur dioxide

Question 4

Neutral solution is what ph? Give an example.

Answer 4

7, pure water

Question 5

What is a solute?

Answer 5

A substance that is being dissolved.

Question 6

What is a solvent?

Answer 6

A substance that is dissolving the solute depending on how much there is.

Question 7

What impacts the most on weather a substance dissolves in water?

Answer 7

Polarity (polar substances dissolve in water, non polar don’t)

Question 8

Is it a physical or chemical change when a solute dissolves a solvent?

Answer 8

Physical, they don’t bond chemically.

Question 9

As you increase temperature, what happens to solubility?

Answer 9

It increases

Question 10

What 3 things can increase the rate of solubility.

Answer 10

Increase temperature, smaller particles, stirring the solution

Question 11

What happens when you combine a acid with a base?

Answer 11

They both neutralize each other