Four half-reactions I to IV are shown below: I. 2Cl- → Cl2 + 2e- II. 4OH- → O2 + 2H2O + 4e- III. Na+ + e- → Na IV. 2H+ + 2e- → H2 Which two of these reactions actually occur during the electrolysis of concentrated aqueous brine solution?

Which of the following events is considered a major turning point that fueled Indian nationalism during British rule due to its brutal nature and widespread condemnation?

Which of the following events is considered the first major peasant uprising against the British in India?