I am studying about Ions in my science class.
Acids have ph less than 7 and alkali have ph more than 7
The density increases as the substance cools.
The answers are I, II and IV
No matter how much water a human
drinks, the kidneys are always regulating various aspects of the blood,
including the pH of the blood, the plasma concentration of iron ions and the
plasma concentration of potassium ions.
This equation is balanced
