pH scale Q&A
In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is
true about there relationship? - (correct answer)Both of the solution are Bases
A(n) _______ is a substance with a pH greater than 7. - (correct answer)Base
If you have a substance with a pH of 7.1 it is a(n)..... - (correct answer)base
A pH of 3 is how many times more acidic than a pH of 5? - (correct answer)100
A(n) ______ is a substance with a pH less than 7 - (correct answer)Acid
A solution with a pH of 10 is mixed with a solution with a pH of 4. What would the pH of
the mixture most likely be? - (correct answer)7
An acid - (correct answer)Is a substance that releases H+ ions when dissolved in water
On the pH scale higher numbers indicate - (correct answer)bases
The picture below shows the relative concentrations of H+ and OH- in a solution. Is the
solution an acid or a base? - (correct answer)base
A solution has a pH of 7.0. What would happen to the pH if H ions were added? -
(correct answer)pH would go down
A solution has a pH of 7.0. What would happen to the pH if OH ions were added? -
(correct answer)pH would go up
In a test of pH levels, a baking soda has a pH of 9 and bleach has a pH of 12. What is
true about there relationship? - (correct answer)Both of the solution are Bases
A(n) _______ is a substance with a pH greater than 7. - (correct answer)Base
If you have a substance with a pH of 7.1 it is a(n)..... - (correct answer)base
A pH of 3 is how many times more acidic than a pH of 5? - (correct answer)100
A(n) ______ is a substance with a pH less than 7 - (correct answer)Acid
A solution with a pH of 10 is mixed with a solution with a pH of 4. What would the pH of
the mixture most likely be? - (correct answer)7
An acid - (correct answer)Is a substance that releases H+ ions when dissolved in water
On the pH scale higher numbers indicate - (correct answer)bases
The picture below shows the relative concentrations of H+ and OH- in a solution. Is the
solution an acid or a base? - (correct answer)base
A solution has a pH of 7.0. What would happen to the pH if H ions were added? -
(correct answer)pH would go down
A solution has a pH of 7.0. What would happen to the pH if OH ions were added? -
(correct answer)pH would go up
