Acids And Bases

Question 1

What are examples of Acids

Answer 1

Stomach acid
Citrus fruits (lemons)
Vinegar
Car batteries
Acid rain

Question 2

What are examples of Bases?

Answer 2

Blood
Baking soda
Drank
Egg whites
Bleach
Soap
Oven cleaner

Question 3

What are Properties of Acids?

Answer 3

Corrosive
Conduct electricity
PH less than 7
Sour taste
Reacts with metals

Question 4

What are Properties of Bases?

Answer 4

Corrosive
Conduct electricity
PH greater than 7
Bitter taste
Slippery, soapy

Question 5

How do you distinguish Acids and Bases?

Answer 5

pH indicators are chemicals that change their colour based on the pH.
Examples: litmus paper
Methyl Orange

Question 6

What do pH numbers mean?

Answer 6

Each step on the pH scale represents a “10-fold” incr awe or decrease in how acidic/basic something is.

Question 7

What colour is bromothynol blue at pH of 5? 7? 9?

Answer 7

Bromothymol blue has a blue color when in basic conditions (pH over 7), a green color in neutral conditions (pH of 7), and a yellow color in acidic conditions (pH under 7).