Acids and Bases (Grade 9)
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Acids and Bases
Acidic solutions contain high concentrations of
- H+ ions
- OH- ions
An ionic compound that forms when a metal atom or a positive radical replaces the hydrogen of an acid
- all of the above
pH measures the concentration of OH- in a solution.
Substances with a pH higher than 7 are .
Which of the following is an acidic pH?
What is the pH of a strong alkali?
Which has the most acidic pH?
What does the symbol HCl mean?
If my pH indicator turns blue when I add a substance to it, what type of substance do I have?
In a reaction of an acid with a base, the pH changes to a value that is closer to .