Answer:
Hydroxide ions are negative
Explanation:
A hydroxide, OH- forms when water (H2O) is split into a positive Hydrogen (H+) ion and a negative Hydroxide (OH-) ion. OH- are present in bases and H+ ions are present in acids. The process is called electrolysis.
Scientific models are never subject to change. Explanation: The statement that scientific models are never subject to change is not a benefit. A scientific model is an abstraction of the real world.
The answer is NO we are not a vacuum cleaner
