brenyasanders6238
25.01.2022 •
Chemistry
Which is the main task of a sewage treatment plant?
A. to prevent flooding in a watershed
B. to neutralize chemicals in the water
C. to restore the water to 100% purity
D. to remove organic matter and kill germs
HELP ME PLEASE!
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Ответ:
a. very acidic
Explanation:
A solution with a pH of 1.6 would be described as a very acidic solution.
The pH scale is a convenient scale for expressing the level of acidity or alkalinity of aqueous solutions.
The scale ranges from 1 to 14 in which case 1 is the lower limit and 14 the upper limit.
An acidic solution has a pH value less than 7. As pH decreases, the acidity of the solution increases. Neutral solutions have a pH of 7An alkaline solution has a pH greater than 7 and the level of alkalinity increases as pH increases.