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You can create printable tests and worksheets from these Grade 9 Acids and Bases questions! Select one or more questions using the checkboxes above each question. Then click the add selected questions to a test button before moving to another page.

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Which of these is a proton donor?
1. A buffer
2. A base
3. A water molecule
4. An acid
What is the pH of pure water?
1. pH=0
2. pH=14
3. pH=7
4. pH=5
Acidic solutions contain high concentrations of
1. H+ ions
2. OH- ions
3. Water
4. Oxygen
What is the scale called that measures the strength of acids and bases?
1. pH scale
2. Acidity scale
3. Corrosive scale
4. Hydrogen scale
When a base is dissolved in water, what is released?
1. $H^+$
2. $OH^-$
3. $CO_2$
Dilute and concentrated refer to
1. the concentration of a solution
2. how much water is added to the solution
3. how high the boiling point is
4. none of the above