Chemistry Quiz On Acids And Bases!
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Acids and bases affect chemistry and our day to day life as well. They can be identified by their taste; acids taste sour and bases taste bitter. Acids are found in many substances including food items but their presence in fruits is very prominent, e. G. , citric acid is present in citrus fruits such as orange and lemon. Vinegar contains acetic acid. Apart from these, some acids are widely used in the laboratory, like hydrochloric acid, sulfuric acid and nitric acid.
- 1.What is an Arrhenius Acid?
- A.
A substance which is water soluble
- B.
A substance with a pH greater than 7
- C.
A substance which releases hydroxide ions in water
- D.
A substance which releases hydrogen ions in water
- 2.Which of the following typically readily react with metals?
- A.
Bases
- B.
Any substance with a pH greater than 7
- C.
Both acids and bases
- D.
Acids
- 3.What is the pH of water at 25 degrees c?
- A.
8
- B.
5
- C.
6
- D.
7
- 4.When you add pH to pOH you always get _________.
- A.
12
- B.
14
- C.
18
- D.
18
- 5.What is an amphiprotic substance?
- A.
A substance that acts both as an acid and a base
- B.
An organic acid
- C.
A substance that only exists in an aqueous form
- D.
A monoprotic base
- 6.What does a strong base do in solution?
- A.
Causes the solution to become charged
- B.
It varies depending on the solutions contents
- C.
Establishes an equilibrium
- D.
Becomes fully ionized
- 7.What is the range of pH for a acid?
- A.
Less than 7
- B.
Less than or equal to 7
- C.
Greater than 7
- D.
Greater than or equal to 7
- 8.What is an equivalence point?
- A.
All of the above
- B.
The point where an indicator changes colours
- C.
The point where mol H+ =mol OH-
- D.
The point where a substance becomes neutral
- 9.What is Kw?
- A.
An element
- B.
The ionization constant for water
- C.
An alternative measurement scale for pH
- D.
A buffer solution
- 10.What is a buffer solution?
- A.
Any basic solution
- B.
A solution that changes pH quickly
- C.
A solution that resists pH changes
- D.
A solution that measures pH
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