本课配套习题挑战模式2/5
单选题
难度系数:
2.
下列有关硅和硅的化合物的用途错误的是
A: 硅单质作耐火材料 |
B: 晶体硅作半导体材料 |
C: 二氧化硅作光导纤维材料 |
D: 高纯硅作计算机芯片材料 |
一次做对,真牛!
+5奖励规则>
- 提示1:PHA+56GF5Y2V6LSo5Zyo5Yqg54Ot5p2h5Lu25LiL6IO95LiO5rCn5rCU5Y+N5bqU77yM6ICM56GF6YW46ZKg5Y+v5Lul55So5L2c6ICQ54Gr5p2Q5paZ44CCPC9wPg==
- 答案:QQ==
PHA+Qe+8juehheWNlei0qOWcqOWKoOeDreadoeS7tuS4i+iDveS4juawp+awlOWPjeW6lO+8jOaVhUHplJnor6/vvJs8YnI+Qu+8juehheWNlei0qOaYr+WNiuWvvOS9k+adkOaWme+8jOaVhULmraPnoa7vvJs8YnI+Q++8juS6jOawp+WMluehheaYr+WFieWvvOe6pOe7tOeahOWOn+aWme+8jOaVhUPmraPnoa7vvJs8YnI+RO+8jumrmOe6r+ehheWPr+S7peS9nOiuoeeul+acuuiKr+eJh+adkOaWme+8jOaVhUTmraPnoa7vvI48YnI+5pWF6YCJQe+8jjwvcD4=
本课配套习题挑战模式3/5
单选题
难度系数:
3.硅及其化合物在材料领域中的应用广泛.下列叙述不正确的是
A: 硅单质可用来制造太阳能电池 |
B: 二氧化硅是制造光导纤维的材料 |
C: 石英(SiO2)可用来制作工艺品 |
D: 硅单质是制造玻璃的主要原料 |
一次做对,真牛!
+5奖励规则>
- 提示1:5Yi2546755KD55qE5Y6f5paZ5Li76KaB5piv57qv56Kx44CB55+z54Gw55+z5ZKM55+z6Iux44CC
- 答案:RA==
Qe+8juWkqumYs+iDveeUteaxoOeahOWOn+aWmeaYr+ehheWNlei0qO+8jOaVhUHmraPnoa7vvJsgPGJyPkLvvI7lhYnlr7znuqTnu7TnmoTmnZDmlpnmmK/kuozmsKfljJbnoYXvvIzmlYVC5q2j56Gu77ybPGJyPkPvvI7nn7Poi7Hlj6/nlKjmnaXliLbkvZzlt6Xoibrlk4HvvIzmlYVD5q2j56Gu77ybPGJyPkTvvI7liLbpgKDnjrvnkoPnmoTkuLvopoHljp/mlpnmnIlTaU88c3ViPjI8L3N1Yj7jgIFOYTxzdWI+Mjwvc3ViPkNPPHN1Yj4zPC9zdWI+44CBQ2FDTzxzdWI+Mzwvc3ViPu+8jOaVhUTplJnor6/vvI48YnI+5pWF6YCJRO+8jg==
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列关于硅和二氧化硅的说法正确的是
A: 由于二氧化硅溶于水显酸性,所以二氧化硅是酸性氧化物 |
B: 硅被誉为无机非金属材料的主角,晶体硅可用来制造光导纤维 |
C: 因为高温时二氧化硅与碳酸钠反应放出二氧化碳,所以硅酸的酸性比碳酸强 |
D: 硅的导电性介于金属和绝缘体之间,是良好的半导体材料 |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6L6D5a655piT6YCJ5Ye65q2j56Gu562U5qGI77yM5L2G5YW25LuW6YCJ6aG55raJ5Y+K55qE6ICD54K55Lmf6Z2e5bi46YeN6KaB44CC5LqM5rCn5YyW56GF5LiN5rq25LqO5rC077yM5L2G5bGe5LqO6YW45oCn5rCn5YyW54mp77yM5a6D5Y+v5Lul55So5p2l5Yi26YCg5YWJ5a+857qk57u044CC
- 提示2:6auY5rip5p2h5Lu25LiL55qE5Y+N5bqU77yM5LiN5LiA5a6a5a6M5YWo56ym5ZCI5by65Yi25byx44CC
- 答案:RA==
Qemhue+8jOS6jOawp+WMluehheaYr+mFuOaAp+awp+WMlueJqe+8jOS9huaYr+Wug+S4jea6tuS6juawtO+8mzxicj5C6aG577yM5YWJ5a+857qk57u055qE5Li76KaB5oiQ5YiG5piv5LqM5rCn5YyW56GF77ybPGJyPkPpobnvvIzpq5jmuKnmnaHku7bkuIvnmoTlj43lupTkuI3kuIDlrprnrKblkIjigJzlvLrliLblvLHigJ3nmoTljp/liJnjgILlvLrliLblvLHpgILnlKjkuo7mraPluLjmnaHku7bkuIvnmoToh6rlj5Hlj43lupTjgII8YnI+5pys6aKY6YCJ5oupROmhueOAgg==
本课配套习题挑战模式5/5
单选题
难度系数:
5.下列关于硅材料的说法正确的是
A: 玛瑙的主要成分是硅酸盐 |
B: 制普通玻璃的原料是石灰石、纯碱和石英砂 |
C: 光导纤维的主要成分是晶体硅 |
D: 水晶项链、玻璃、水泥和陶瓷都是硅酸盐制品 |
一次做对,真牛!
+5奖励规则>
- 提示1:546b55GZ44CB5rC05pm2562J6KeG6aKR55qE5Li76KaB5oiQ5YiG6YO95piv5LqM5rCn5YyW56GF44CC
- 答案:Qg==
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