Loading...
MnO₂ + 4HCl → MnCl₂ + 2H₂O + Cl₂ The reaction given above is a redox reaction because in this case :
What is a chemical reaction ? Describe one activity each to show that a chemical change has occurred in which (i) change of colour, and (ii) change in temperature has taken place.
© 2026 PadhAiPro. This question is provided for educational purposes.