In some solutions, the concentration of \[{{H}_{2}}{{O}^{+}}\]remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as:

In some solutions, the concentration of \[{{H}_{2}}{{O}^{+}}\]remains

1.	In some solutions, the concentration of \[{{H}_{2}}{{O}^{+}}\]remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as:
A.	Ideal solutions
B.	Colloidal solutions
C.	True solutions
D.	Buffer solutions
Answer» E.

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In some solutions, the concentration of \[{{H}_{2}}{{O}^{+}}\]remains constant even when small amounts of strong acid or strong base are added to them. These solutions are known as:

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