A:Cl2+2KBr===Br2+2KCl
B:HCl + NaOH====NaCl+H2O
C:4Fe(OH)2+O2+2H2O===4Fe(OH)3
D:2Na2O2+2CO2===2Na2CO3+O2
Amy is t____ than Sarah.
- Do you know Victory Day in China?
- Yes, it's _______ September 3rd _______ each year. It tells the world that Chinese people love peace and hate wars. Chinese people will never forget the history.