My queztion is like this
 
Which among the two substances will react with magnesium powder to liberate hydrogen?
 
A) substance with ph 1.5
B)Substance with ph 5

Asked by soumyaranjan123456789 | 26th Jun, 2017, 11:28: AM

Expert Answer:

The correct option is (A) substance with pH 1.5 as the hydrogen ion concentration is more in this solution.

Answered by Prachi Sawant | 26th Jun, 2017, 11:50: AM