Answer:
positive charge
Explanation:
Protons are positively charged
According to Arrhenius Theory of acids and bases, an Arrhenius base, when dissolving in water, produces the only negative ion: OH-.
Therefore, (3) OH- is the correct answer.
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An ionized has consisting of positive ions and free elections in proportion resulting in more or less no overall electric charge
Blocks of magnesium is used to prevent iron corrosion.
This way of prevention is called sacrificial protection.
