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下列物质中，属于单质的是（ ）
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下列物质中属于单质的是
水
碳六十
生石灰
熟石灰
下列物质中属于单质的是
干冰
液态氧
煤
水
下列物质中属于金属单质的是
硫酸铜
铁
硫
金刚石
下列各物质中属于金属单质的是
铁粉
金刚石
黄铜
不锈钢
下列物质中属于单质的是
氢氧化钾
石墨
水
硫酸铜
下列物质中属于单质的是
红磷
石灰石
氯化铝
氧化铜
已知○●表示质子数不同的原子1下列表示的气体物质中属于化合物的是2下列表示的气体物质中属于混合物的是
下列物质中属于单质的是
二氧化碳
氧气
空气
烧碱
下列分别盛有不同物质的容器中所盛物质属于单质的是属于混合物的是属于氧化物的是.填字母
下列物质中属于稀有气体单质的是
Hg
H
2
Si
Ar
下列物质中属于非金属单质的是
水
氮气
硫酸
铝
下列物质中属于单质的是
磁铁矿
氢氟酸
纯净氮气
下列分别盛有不同物质的容器中所盛物质属于单质的是_________属于混合物的是__________
已知○●表示质子数不同的原子1下列表示的气体物质中属于化合物的是2下列表示的气体物质中属于混合物的是
下列各组物质中属于单质的是
）水 （
）干冰 （
）红磷 （
）石灰水
下列物质中属于单质的是
水
空气
氧气
二氧化碳
下列分别盛有不同物质的容器中所盛物质属于单质的是_____属于混合物的是______属于氧化物的是_
下列物质中属于单质的是
水
氢气
盐
糖
下列物质中属于单质的是
水
铁
氧化铁
氯化钠
下列物质中属于单质的是
水
空气
氧气
二氧化碳
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