Worksheets8.2 pH
Total questions: 10
Worksheet time: 5mins
In 1923, these two scientists independently expand on and revise the exact definitions of acids and bases.
Watson & Crick
Bronsted & Lowry
Edison & Einstein
Arrhenius & Sorenson
The pH scale tells how acidic or basic a substance is. The scale goes from _____ to _______
1-10
0-14
1-14
1-100
Acids have a pH that is less than
(a)
The lower the pH is, the more ___________________ the solution is.
acidic
basic
saturated
diluted
Substances with a pH of 7 are
Acidic
Basic
Neutral
Saturated
Choose the substance that is more acidic using the scale
Milk
Soap
Coffee
Stomach acid
Ammonia is more alkaline (basic) than
Baking Soda
Soap
Bleach
Drain Cleaner
The pH scale is an inverse function. This means the ___________ the concentration of hydrogen ions, the ___________ the pH is. (select all that apply)
higher, lower
lower, higher
higher, higher
lower, lower
Litmus paper is made from natural pH indicators extracted from
The litmus plant
Lichens
Moss
Cabbage
If we add EQUAL amounts of equally strong Acid and Base to a solution, we call this
Supersaturated
Dangerous
Neutralization
Dilution
