Single Answer MCQ
Q-00019104

Which ion is common to all acids when dissolved in water?

1

Hydroxide ion (OH-)

2

Hydrogen ion (H+)

3

Sodium ion (Na+)

4

Chloride ion (Cl-)

Answer and Solution

Answer

B. Hydrogen ion (H+)

Solution:

All acids produce hydrogen ions (H+) when dissolved in water, which is what makes the solution acidic. The other ions do not represent common characteristics of all acids.

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