Correct answer
D. Buffer
Explanation
Buffer is the correct answer. Review the question and compare it with the other choices to remember this fact for future exams.
Pollutants have adverse effect over_________________?
Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?
Bleaching powder is an example of________________?
The composition of brown ring in nitrate test is_________________?
Aldehyde and ketone have same general formula for homologous series_________________?
The second nuclear weapons used in warfare over Nagasaki, Japan, contain energy equal about of TNT?