Water purification is the process of removing undesirable chemicals, biological contaminants, suspended solids, and gases from water. The goal is to produce water fit for specific purposes.
The temperature at which the amylase catalyzed reaction is fastest is significant because that is the optimum temperature for the enzyme.
Amylase is an enzyme that catalyzes the digestion of enzyme. The optimum temperature of an enzyme is the temperature at which it works best. The optimum temperature of amylase is approximately 37 degree Celsius; this temperature also happen to be the normal body temperature.<span />
The pH range for an acid is pH < 7 with the strength increasing downwards so an acid with pH 1 is much stronger than one with 6.
The range for a Base is pH > 7 with the strength increasing with number thus a substance with pH 14 is much stronger than a substance of pH 8.
With that said, <span>
A solution with a pH of 13 would be a
STRONG BASE (alkali since it is in solution).
Additional: I attached a pH scale so that at any point in time you can check the pH scale and match it to the substance given and tell whether it is a strong or weak base or acid.
</span>