A

Welcome to Happy Winter Camp

    The 2017 Happy Winter Camp is between 8:30 a.m. and 11:00 a.m.  from  February 1^st to February 8^th. All kids aged 12 to 16 are welcome. Each kid can join in only one of these activities and needs to pay￥200 for it.

⒈Music clubs (singing, piano, violin, guitar, etc)

⒉Art clubs (drawing, painting, photo-editing, etc)

⒊Sports clubs (baseball, basketball, soccer, volleyball, skiing, etc)

⒋Language Center (English, Japanese, French, etc)

   If you really want to have an interesting winter holiday, please join us. You can come to our hotel to book your seat. Also you can phone or email us.

Add: Hongxing Hotel, No. 528, Zhongshan Street, Hangzhou Tel: 0571-83033698

E-mail: camping2017@sina.com

第一步：取少量氧化铜粉末放入小烧杯中，然后加入适量稀硫酸，微热；

第二步：向上面的溶液中加入过量的铁粉，充分搅拌；

第三步：过滤烧杯中的物质，滤纸上的物质是A，滤液中的溶质是B；

第四步：将物质A移入小烧杯中，加入过量的C溶液，充分反应后过滤．

请回答下列问题：