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- 1. Multiple Choice
Vinegar tastes sour, and is often used to corrode away stains and grime.
State whether vinegar is an acid.
True
False
- 2. Multiple Choice
Baking soda tastes bitter, rather than sour, and reacts with acids.
State whether baking soda is an acid.
True
False
- 3. Multiple Choice
Cola corrodes teeth and will react with metals, such as coins.
State whether cola is an acid.
True
False
- 4. Multiple Choice
Name the ion that is always released by an acid in solution.
Iron ions
Hydroxide ions
Hydrogen ions
Chloride ions
- 5. Multiple Choice
You are given an unknown solution, and told to do some experiments to check whether it is an acid.
Propose a simple test you could perform to see if the solution is an acid.
Mix the solution with another
Test solution with lemon juice
Drink the solution
Test solution with litmus paper
- 6. Multiple Choice
Select the correct term for the following definition:
"A base that dissolves in water."
Alkali
Allotropes
Periodic table
Nanoparticle
- 7. Multiple Choice
Select the correct term for the following definition:
"A substance that releases hydroxide ions."
Metalloid
Base
Acid
Carbonate
- 8. Multiple Choice
Select the correct term for the following definition:
"OH⁻, formed by bases."
Acid
Hydrogen ion
Base
Hydroxide ion
- 9. Multiple Choice
Select the correct term for the following definition:
"A common indicator that turns red for an acid and blue for a base."
Acid
Base
Alkali
Litmus paper
- 10. Multiple Choice
Select the correct term for the following definition:
"A scale used to measure the concentration of H⁺ ions in a solution."
Acid
Power of hydrogen
pH
Base
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