Chemistry

Acids & Bases

Grade 11 · High School

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Question 1 of 20Easy
According to Arrhenius, an acid is a substance that in water produces ... ions.
Question 2 of 20Easy
The following compound that is acidic is ...
Question 3 of 20Easy
The pH of a neutral solution at 25 °C is ...
Question 4 of 20Easy
The substance classified as a base according to Arrhenius is ...
Question 5 of 20Easy
A solution with pH less than 7 is ...
Question 6 of 20Easy
An example of a strong acid that ionizes completely in water is ...
Question 7 of 20Medium
The pH of 0.01 M $HCl$ is ...
Question 8 of 20Medium
The pH of 0.001 M $NaOH$ is ...
Question 9 of 20Medium
A solution with pH = 3 has an $H X^{+}$ concentration of ...
Question 10 of 20Medium
The relationship between pH and pOH at 25 °C is ...
Question 11 of 20Medium
The compound that is a weak acid is ...
Question 12 of 20Medium
The pH of 0.1 M $CH X_{3} COOH$ with $K_{a} = 1 0^{- 5}$ is ...
Question 13 of 20Medium
The conjugate base of $H X_{2} CO X_{3}$ is ...
Question 14 of 20Medium
A 0.01 M weak acid solution is 1% ionized. Its pH is ...
Question 15 of 20Hard
100 mL of 0.1 M $HCl$ is mixed with 100 mL of 0.05 M $NaOH$ . The pH of the mixture is ...
Question 16 of 20Hard
The pH of 0.1 M $H X_{2} SO X_{4}$ (assumed fully ionized) is ...
Question 17 of 20Hard
The pH of 0.1 M $NH X_{3}$ with $K_{b} = 1 0^{- 5}$ is ...
Question 18 of 20Hard
The volume of 0.1 M $NaOH$ needed to neutralize 25 mL of 0.2 M $HCl$ is ...
Question 19 of 20Hard
10 mL of a solution with pH = 2 is diluted with water to 100 mL. The pH after dilution is ...
Question 20 of 20Hard
A 0.1 M weak acid solution has $K_{a} = 1 0^{- 5}$ . Its degree of ionization is ...

0/20 answered