本课配套习题挑战模式1/5
单选题
难度系数:
1.下列仪器中,没有“磨砂”的是
A: 广口瓶 |
B: 烧杯 |
C: 集气瓶 |
D: 细口瓶 |
一次做对,真牛!
+5奖励规则>
- 提示1:54On5p2v5Y+q5piv55So5p2l5rq26Kej5oiW56iA6YeK77yM5oiW6ICF5YGa5aSn6YeP54mp6LSo6Ze055qE5Y+N5bqU5Zmo77yM5LiN6ZyA6KaB56Oo56CC5aSE55CG
- 答案:Qg==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.下列仪器中,具有溶解固体、配制溶液、作多量试剂的反应容器的是
A: 烧杯 |
B: 试管 |
C: 蒸发皿 |
D: 玻璃棒 |
一次做对,真牛!
+5奖励规则>
- 提示1:56qB56C05Y+j5piv4oCc5rq26Kej5Zu65L2T4oCd5LiA6Iis6YCJ55So54On5p2v44CC
- 答案:QQ==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.烧杯不能用于
A: 配制溶液 |
B: 盛液体物质加热 |
C: 作反应容器 |
D: 量度液体体积 |
一次做对,真牛!
+5奖励规则>
- 提示1:54On5p2v5bi455So5LqO5rq26Kej5Zu65L2T44CB6YWN5Yi25rq25ray44CB5Yqg54Ot6L6D5aSa6YeP5ray5L2T6K+V5YmC
- 答案:RA==
QeOAgemFjeWItua6tua2suWPr+S7peeUqOeDp+adr++8jOaVhUHkuI3nrKblkIjpopjmhI/vvJs8YnI+QuOAgeeDp+adr+WPr+S7peebm+aUvua2suS9k+eJqei0qOWKoOeDre+8jOWKoOeDreaXtuimgeWeq+efs+ajiee9ke+8jOaVhULkuI3nrKblkIjpopjmhI/vvJs8YnI+Q+OAgeeDp+adr+WPr+WBmuWPjeW6lOWuueWZqO+8jOaVhUPkuI3nrKblkIjpopjmhI/vvJs8YnI+ROOAgeeDp+adr+ayoeacieWIu+W6pu+8jOS4jeiDveeUqOS6jumHj+a2suS9k+eahOS9k+enr++8jOaVhUTnrKblkIjpopjmhI/vvI48YnI+5pWF6YCJRA==
本课配套习题挑战模式4/5
单选题
难度系数:
4.在①取液体试剂 ②溶解固体 ③蒸发 ④称量 ⑤过滤操作中,用到玻璃棒的是
A: ②③⑤ |
B: ①②⑤ |
C: ②④⑤ |
D: ③⑤ |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6ICD5p+l546755KD5qOS55qE5L2/55So77yM546755KD5qOS5pyJ5pCF5ouM44CB5byV5rWB44CB5Lul5Y+K6Ji45Y+W5bCR6YeP5ray5L2T55qE5L2c55So
- 答案:QQ==
4pGg5Y+W5ray5L2T6K+V5YmC55u05o6l5YC+5YCS5LiN6ZyA6KaB546755KD5qOS77yMPGJyPuKRoea6tuino+WbuuS9k+mcgOeOu+eSg+ajkuaQheaLjOWKoOmAn+a6tuino++8jDxicj7ikaLokrjlj5HopoHnlKjnjrvnkoPmo5LmkIXmi4zpmLLmraLlsYDpg6jlj5fng63pgKDmiJDmtrLmu7Tpo57muoXlkIzml7bog73liqDpgJ/murbop6M8YnI+4pGj56ew6YeP55So5Yiw5aSp5bmz5LiN55So546755KD5qOSPGJyPuKRpOi/h+a7pOaXtuimgeeUqOeOu+eSg+ajkuW8lea1ge+8jOaVhemAiUHvvI4=
本课配套习题挑战模式5/5
单选题
难度系数:
5.以下是一些同学在这次实验操作考试中对胶头滴管的使用中,你认为正确的是
A: 滴加液体 |
B: 将滴管横放在桌面 |
C: 将洗净的滴管放入洁净烧杯中 |
D: 将残留试液的滴管倒持 |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6ICD5p+l6IO25aS05ru0566h55qE5L2/55So44CC5L2/55So6IO25aS05ru0566h55qE5q2j56Gu5pON5L2c5piv5Z6C55u05oKs56m65LiO5a655Zmo5q2j5LiK5pa5
- 提示2:5L2/55So5a6M5ZCO5bqU5rSX5YeA77yM5pS+5Zyo5rSB5YeA55qE54On5p2v5Lit44CC
- 答案:Qw==
5L2/55So6IO25aS05ru0566h5ru05Yqg5ray5L2T5pe277yM5bqU6K+l5rOo5oSP77yaPC9wcmU+MS7og7blpLTmu7TnrqHmu7TliqDmtrLkvZPml7bvvIzkuI3og73kvLjlhaXlrrnlmajvvIzmm7TkuI3og73mjqXop6blrrnlmajjgILlnoLnm7Tmgqznqbrkuo7lrrnlmajkuIrmlrkwLjUgY23lpIQ8YnI+Mi7kuI3og73lgJLnva7vvIzkuZ/kuI3og73lubPmlL7kuo7moYzpnaLkuIrjgILnlKjlrozlkI7lj6/mtJflh4DmlL7lnKjmtIHlh4DnmoTng6fmna/kuK3jgIJD6aG55q2j56GuPC9wcmU+