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WorksheetsAcids, Bases & pH
Total questions: 15
Worksheet time: 13mins
Which substance releases positively charged Hydrogen ions (H+) when mixed with water?
Bases
Acids
Buffers
Salts
Which substance releases negatively charged Hydroxide ions (OH-) when mixed with water?
Acids
Bases
Neutrals
Liquids
What are properties of an alkali?
Slippery, bitter, does not react with metals, pH above 7.
Slippery, bitter, reacts with metals, pH below 7.
Sour, reacts with metals, pH below 7
Sour, reacts with metals, pH above 7.
If a substance has a pH of 7, it would be best describe as a _______ substance.
basic
neutral
acidic and a basic
acidic
NaOH may be found in drain cleaners and as a component of soaps. Is NaOH an acid or a base?
Acid
Base
Neither (Neutral)
Which one of these would be considered the weakest base?
8
7.8
11.6
14
Milk is a very weak acid. What might its pH value be?
6.5
7.8
4.2
12.2
