APPSC Junior Lecturer General Studies and Mental Ability 20 Feb 2020 Paper

Question : 27 of 150

Marks: +1, -0

Which one of the following statements is NOT correct?

When and acid reacts with a metal, Hydrogen gas is evolved and a corresponding salt is formed.
Acidic and basic solutions in water conduct electricity because they produce Hydrogen and hydroxide ions respectively.
Living beings carry out their metabolic activities without an optimal pH range
Salts have various uses in everyday life and in industries

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