Science - Acids, bases, and the pH scale #2
What are the numbers of the pH scale?
0-14
How many times as many ions does a solution with a pH of 10 have compared....?
0.001
The pH scale is based on powers of
10
29
100
Which of these can conduct electricity?
BOTH acids and bases
Whats the formula of the ion (hydrogen) contributed by acids?
H+
Which of these would be the example of the strongest acid?
HCl
What is the name of the ion that acids contribute to a solution?
Hydrogen
What kind of "bonds" hold water molecules together?
Hydrogen bonds
Whats the name of the ions that bases contribute to a solution?
Hydroxl
Whats the science term used to describe acids or bases "separating" when dissolving in? Hint they ____ almost completely or don't ____ completely?
Ionize
14
Last answer
The more hydrogen ions there are in a solution, the ____ the pH value?
Lower
Strong acids are considered strong because____ of the acid molecules separate?
Most
Strong bases are considered strong because ____ of the base molecules separate
Most
Weak acids are considered weak because____ of the acid molecules remain as molecules?
Most
Weak bases are considered weak because ____ of the base molecules remain as molecules
Most
Which of these would be the example of the strongest base?
NaOH
Whats the formula of this ion (hydroxl) contributed by bases?
OH-
Water is a ____ Molecule because it has ____ ?
Polar charges
What does pH stand for?
Power of hydrogen
Water is able to dissolve acids and bases (solutes) to make a solution. This makes water a?...
Solvent
Name one place in our body where acids are used
Stomach
Whats true about acids?
Turns litmus paper from blue to red
Whats the shape of a water molecule?
V
What is the technical name of vinegar?
acetic acid
Which of these would be the example of a weaker base?
amonia
In the presence of an acid, how does water act as?
base
A higher pH is not more acidic....that's so _____?
basic
30
cleaning
The pH scale describes the exact ___ of ions in a solution
concentration
Which of these common substances would have a pH of 14?
drain cleaner
What do we call any substance that can conduct electricity?
electrolights
A neutral solution has ____ numbers of acidic and basic ioons
equal
Water is added to a solution with a pH of 2. What will happen to its pH value?
increase
Water is added to a solution with a pH of 6. What will happen to its pH value?
increase
A pH of 7 is (a) ____
neutral
What do we call the type of reactions where acids and bases are mixed in ??? causing their properties to disappear?
neutralization reaction
Acids and bases are ___?
pHun - fun
Water has unique properties because hydrogen and oxygen have different?
properties
Which of these common substances would have a pH of 5?
rain
What type of juice did we use to make our own "stanky" pH scale?
red cabbage
Which of these common substances would have a pH of 10?
soap
Which of these common substances would have a pH of 17?
stomach acid
A pH of 14 is (a) ____
strong base
A pH of 5 is (a) ____
weak acid
