PH Scale, Acids, and Bases
Unlock all answers in this set
Unlock answersquestion
Base
answer
This is a group of compounds that can be identified by their common properties. Tastes bitter, feels slippery, turns red litmus paper blue and it is a compound that produces hydroxide ions/ OH-. Some bases are cleaners, concrete and medicines.
question
Acid
answer
These are compounds whose characteristic properties includes the kinds of reactions they undergo. Tastes sour, reacts with metals, turns blue litmus paper red, and is a compound that produces hydronium ions/ H+
question
Solute
answer
The substance that is present in a solution in a smaller amount and is dissolved. They are things such as sugar, salt and oxygen in the air.
question
Indicator
answer
This is any substance that changes color when in contact/ in the presence of the another substance. Such as litmus paper, tablets, and pH paper.
question
Solvent
answer
This is the part of a mixture present in a large amount and dissolves the other substance/solute such as water.
question
Solution
answer
This is a mixture that forms when substances dissolve. Such as Kool-Aid, salt water, and lemonade.
question
Neutralization
answer
This is a reaction between an acid and a base that produces a pH of 7 or close to 7.
question
0-3 on pH scale
answer
Strong Acid
question
4-6 on pH scale
answer
Weak Acid
question
7 on pH scale
answer
Neutral
question
8-10 on pH scale
answer
Weak Base
question
11-14 on pH scale
answer
Strong Base
question
If litmus paper turns from blue to red
answer
It is an acid
question
If litmus paper turns from red to blue
answer
Base
question
If both colors of litmus paper don't change color
answer
It is neutral
question
What does hardness in water mean?
answer
It means to describe the amount of calcium in the water. If high amount of calcium it is hard if low amount of calcium it is soft
question
In testing copper what are the colors and what do they stand for
answer
orange means it has no copper, brown means it has moderate copper and blue/ dark blue means a high level of copper.
question
In testing iron levels what are the colors and what do they stand for
answer
Light purple means low iron, and purple means lots of iron
question
In testing chlorine what do the colors mean
answer
light pink means low chlorine, and pink means high cholrine
question
In testing calcium hardness what do the colors mean
answer
Light blue means low calcium, and dark blue/ purple means high calcium
