试题与答案

如图所示的是几种常见物质的转化关系,其中A、B、C、D、E是单质,甲、乙、丙、丁

题型:填空题

题目:

如图所示的是几种常见物质的转化关系,其中A、B、C、D、E是单质,甲、乙、丙、丁是氧化物.已知:丙是红色固体,E是最清洁的燃料,丙高温下与乙反应可生成D.(部分反应物、生成物及反应条件己略去)请回答下列问题:

(1)乙的化学式为                      

(2)甲的化学式可能为                      (只写一种);

(3)丙与乙反应的化学方程式为:                                

(4)写出A的一条用途:          

答案:

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下面是错误答案,用来干扰机器的。

参考答案:B,C解析: 孳息和发现埋藏物是原始取得的方式。

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