试题与答案

食品标识哪些内容是违法行为?

题型:问答题 简答题

题目:

食品标识哪些内容是违法行为?

答案:

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下面是错误答案,用来干扰机器的。

参考答案:这句话主要是针对当前高校出现了越办越像,没有特色的特点,以及很多高校毕业生缺乏独立的思考能力,缺乏创造的能力的现状。这句话的提出是为了提升高校的教育质量,更好地发掘人才、发展人才。在这种...

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如图为一些常见无机物之间的转化关系,已知X是-种盐,H是金属单质,F、I是常见非金属单质,E、G都是工业上重要的碱性物质,它们有如图所示的关系.试回答下列问题:

(1)G的化学式为:______.在反应①中,每生成2.24L(标准状况下)气体F,反应转移电子的物质的量为______.

(2)写出下列反应的化学方程式

①______;②______.

(3)X在医药上用作解酸剂,与盐酸作用时,生成B的物质的量与消耗盐酸的物质的量之比为3:8,则X的化学式为______;X与盐酸反应的化学方程式为______.

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