框图中的物质为初中化学所学的物质,其叫属于盐的是H、C、M、N,

框图中的物质为初中化学所学的物质,其叫属于盐的是HCMN,属于氧化物的是FG;胃液中含有适量的A,可帮助消化;C是家庭中重要的调味品之一;D常用于改良酸性土壤。图中“———表示两端的物质问能发生化学反应:表示物质间存在转化关系;部分反应物或生成物已略去。

  (1)C物质是由          (选填分子原子离子”)构成的。

  (2)A与镁条反应能       (选填放出吸收”)

    热量。

  (3)写出D的俗名:           

    写出化学式:B        N         

(1)写小GM的化学方程式:                      

 

答案

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