Colorless phenolphthalein, turns red with a bashful face when meeting alkali, while purple litmus slowly fades to blue-green upon encountering base. Acids, bases, and salts dissolve in water, separating into ions. Acids engage in a love triangle with hydroxides and metals. Sodium hydroxide is highly corrosive, hygroscopic, and tastes bitter. Also known as caustic soda or sodium hydrate, it's commonly found under various names. Your applications are extremely broad...