Question

to do chemical remediation of an acidic pollutant in an aquifer, introduce
a a safe basic compound
b a safe acidic compound
c a safe neutral compound
d none of the above

Explanation:

Acidic pollutants are neutralized by basic substances via an acid-base reaction, which reduces the acidity of the aquifer for remediation. Using an acidic compound would worsen acidity, and a neutral compound would not address the acidic pollution.

Answer:

a. A safe basic compound