生活处处有化学。请用下列物质的化学式填空:①浓盐酸     ②烧

生活处处有化学。请用下列物质的化学式填空:
①浓盐酸     ②烧碱     ③纯碱     ④生石灰     ⑤硝酸钾  ⑥食盐
⑴ 可用于金属除锈的是       ;       ⑵可用于配制生理盐水的是       ;       
⑶ 可用作化肥的是          ;       ⑷ 常用作食品干燥剂的是              
⑸ 属于碱的是              

答案

(1)HCl  (2)NaCl    (3)KNO3   (4)CaO    (5)NaOH    解析:

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