Solutions
pH Scale
Acid, Base, Both or Neither
It's a Mix
Definitions
100
This is a liquid with something dissolved in it.
A solution.
100
A very strong base on the pH scale is this color.
BLUE
100
What color will the universal indicator turn when in contact with a strong acid?
Dark Red
100
Point sources are the makers of the most pollution. TRUE OR FALSE
No. Non-point sources are the main source of pollution.
100
When we add water to a solution to lower the concentration this is called______________.
DILLUTION
200
Does diluting a solution remove unwanted particles?
No. Dilution only lowers the solution's concentration.
200
The pH scale goes from ________ to ___________. (what numbers)
0-14 or I have seen also 1-14
200
A neutral solution will turn an indicator ______________.
GREEN
200
Groundwater is not really a part of the water cycle. TRUE OR FALSE
FALSE
200
This is what is added to a solution. It is called a _________.
SOLUTE
300
Filtration will remove solid particles and dissolved particles. TRUE OR FALSE
FALSE. Filtration will only remove solid particles.
300
Lemon juice would be close to this pH number if tested.
2-3
300
Name a very strong base that is found in many homes.
DRAIN CLEANER
300
Most water on Earth is in ___________________.
THE OCEANS
300
When a solution cannot dissolve any more substance it is called____________.
SATURATED or SATURATION
400
We have learned two methods for dealing with acids and bases in wastewater. Can you name both of them for full points, half if you can name one.
DILUTION NEUTRALIZATION
400
Mild acids show up light blue when tested. TRUE OR FALSE
FALSE
400
What are the two end products when you neutralize an acid and a bace?
WATER and A SALT
400
In our acid base experiments we used what acid and what base?
KOH = BASE HCl =ACID
400
When an equal strength acid is mixed with an equal strength base they cancel each other out. This is called __________
NEUTRALIZATION or NEUTRALIZED or NEUTRAL
500
A 0.1% solution has a parts per something of what?
1 part per thousand
500
The paper strip we used to test acids and bases is called.
LITMUS PAPER
500
Bases give off what particle and what is its letter symbol?
HYDROXIDE OH-
500
If it takes 9 acid drops to neutralize 3 base drops how many acid particles are in the acid drop and how many base particles are in the base drop?
ACID 1 BASE 3
500
The particle that is given up by a base is called ____________
HYDROXIDE (OH-)
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