Alkali metals are good reducing agents, because they easily
Gain electron
Lose electron
React with water
Complete their octet
The mixture of MgCl2 and MgO is called
Alum
Psudo alum
Sorel's cement
Portland cement
Which of the following reaction is not feasible?
2KI + Br2 → 2KBr + I2
2H2O + 2F2 → 2HF + O2
2KBr + I2 → 2KI + Br2
2KBr + Cl2 → 2KCl + Br2