Swimming club

    Do you like to swim? Do you want to swim well? Then we have good teachers to teach you. Opening time：2: 00 p.m ~ 9: 30 p.m

    Ticket price: 15 yuan for children, 20 yuan for adults(成人)

    Please call Mr. Wang at 877-778

Children dancing club

    We are a dancing club for children of 5~14. we have lessons from 9：00 to 10: 30 every Saturday and Sunday.

    If you like dancing, just join us.

    Call Miss Wu at 263-566

选项

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实验操作

向MgCl₂、AlCl₃溶液中（各1mol），逐滴加入NaOH溶液

向HCl、MgCl₂、AlCl₃、NH₄Cl溶液中（各1mol），逐滴加入NaOH溶液

向NaOH、NaAlO₂溶液中（各1mol），逐滴加入HCl溶液

 向NaOH、Na₂CO₃混合溶液中（各1mol）滴加稀盐酸

图象