MCQ
Which acid is not an arrhenius acid
- A$HNO_3$
- B$HClO_4$
- ✓$H_3BO_3$
- D$H_3PO_4$
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$(i)$ Enzymes lack in nucleophilic groups
$(ii)$ Enzymes are highly specific both in binding chiral substrates and in catalyzing their reactions
$(iii)$ Enzymes catalyse chemical reactions by lowering the activation energy
$(iv)$ Pepsin is a proteolytic enzyme