Hello Mam,
What is meant by acidic reaction? I actually coudn'tdraw the complete information from the video. Please help me with that mam

Dear Student,

Acidic reactions are the reactions which involve the acid. For eg. reaction of ethanoic acid and Magnesium is an acidic reaction. 

$2{\mathrm{CH}}_3\mathrm{COOH} + \mathrm{Mg} \to ({\mathrm{CH}}_3\mathrm{COO}{)}_2\mathrm{Mg} + {\mathrm{H}}_2$