本课配套习题挑战模式1/5
单选题
难度系数:
1.关于溶液配制,下列说法正确的是
A: 配制480mL0.1mol/LCuSO4溶液,需要CuSO4•5H2O晶体12.0g |
B: 用浓硫酸配制稀硫酸时,将浓硫酸稀释后立即转入容量瓶中 |
C: 称量5.3g碳酸钠固体时,若将物质和砝码放反,将会使称量结果偏小 |
D: 定容后发现液面高于刻线,可用胶头滴管将多余的水吸出 |
一次做对,真牛!
+5奖励规则>
- 提示1:5a+55rq26Kej5pS+54Ot5oiW5ZC454Ot55qE54mp6LSo77yM5b+F6aG7562J5rq26Kej5ZCO55qE5rq25ray5Ya35Y206Iez5a6k5rip5ZCO5YaN6L2s56e744CB5a6a5a6544CC
- 提示2:5a6a5a655ZCO6Iul5ray6Z2i6auY5Ye65Yi757q/77yM5Y+q6IO96YeN5paw6YWN572u44CC
- 答案:Qw==
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
本课配套习题挑战模式2/5
单选题
难度系数:
2.配制100mL1mol•L-1NaOH溶液,若实验仪器有:①100mL量筒;②托盘天平;③玻璃棒;④50mL容量瓶;⑤胶头滴管;⑥50mL烧杯;⑦100mL容量瓶,实验时选用仪器的先后顺序是
A: ②⑦③④⑥ |
B: ⑥②⑦③④ |
C: ②⑥③⑦⑤ |
D: ②⑦③⑥⑤ |
一次做对,真牛!
+5奖励规则>
- 提示1:6YWN5Yi26aG65bqP5piv77ya6K6h566X4oaS56ew6YeP4oaS5rq26Kej44CB5Ya35Y204oaS56e75ray4oaS5rSX5rak4oaS5a6a5a654oaS5pGH5YyA4oaS6KOF55O26LS0562+
- 答案:Qw==
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
本课配套习题挑战模式3/5
单选题
难度系数:
3.配置250mL0.100mol/L的氯化钠溶液,操作不正确的是
A: (称量) |
B: (溶解) |
C: (移液) |
D: (定容) |
一次做对,真牛!
+5奖励规则>
- 提示1:5pys6aKY6ICD5p+l5a+55a6e6aqM5pON5L2c55qE5o6M5o+h44CCQeWbvuS4uuWIhuaekOWkqeW5s++8jOensOmHj+WHuueahOi0qOmHj+abtOS4uueyvuehruOAgg==
- 答案:Qw==
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
本课配套习题挑战模式4/5
单选题
难度系数:
4.下列与实验相关的叙述正确的是
A: 稀释浓硫酸时,应将蒸馏水沿玻璃棒缓慢注入浓硫酸中 |
B: 配制溶液时,若加水超过容量瓶刻度,应用胶头滴管将多余溶液吸出 |
C: 酸碱滴定时,若加入待测液前用待测液润洗锥形瓶,将导致测定结果偏高 |
D: 检验某溶液是否含有SO42-时,应取少量该溶液,依次加入BaCL2溶液和稀盐酸 |
一次做对,真牛!
+5奖励规则>
- 提示1:6YW456Kx5Lit5ZKM5ru05a6a5Lit77yM5rWL6YeP55qE5piv5b6F5rWL5ray5Lit55qE5rq26LSo54mp6LSo55qE6YeP77yM6Iul55So5b6F5rWL5ray5ram5rSX77yM5bCG5Lya5L2/5b6X5rq26LSo55qE6YeP5Y+Y5aSa44CC
- 答案:Qw==
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
本课配套习题挑战模式5/5
单选题
难度系数:
5.欲用浓硫酸配制450mL0.50mol/L的硫酸溶液.下列说法正确的是
A: 主要玻璃仪器有烧杯、玻璃棒、胶头滴管、250mL容量瓶 |
B: 定容时俯视容量瓶的刻度线会导致所配制的溶液浓度偏低 |
C: 量取浓硫酸后用蒸馏水把量筒洗涤2至3次,然后把洗涤液倒入容量瓶导致所配制的溶液浓度偏高 |
D: 摇匀后,发现液面低于容量瓶刻度线后继续加水至凹液面与刻度线相切导致所配制的溶液浓度偏高 |
一次做对,真牛!
+5奖励规则>
- 提示1:5rOo5oSP6YeP562S5LiN6ZyA6KaB5rSX5rak77yM5a6D5L2c5Li65LiA5Liq6YeP5YW377yM5Yi75bqm6K6+5a6a5bey57uP6ICD6JmR5LqG6K+v5beu44CC6ICM54On5p2v5Lit5rq26Kej6L+H56iL5b+F6aG75rSX5rak77yM5ZCm5YiZ5bCx5piv5rq26LSo55qE5o2f5aSx44CC
- 答案:Qw==
Qe+8juWunumqjOWupOayoeaciTQ1MG1M5a656YeP55O277yM6ZyA6KaB6YCJ55SoNTAwbUzlrrnph4/nk7bvvIzmlYVB6ZSZ6K+v77ybIDxicj5C77yO5a6a5a655pe25L+v6KeG5a656YeP55O25L2T56ev5YGP5bCP77yM5rWT5bqm5YGP5aSn77yM5pWFQumUmeivr++8mzxicj5D77yO6YeP562S5LiN6ZyA6KaB5rSX5rak77yM5rSX5rak5Lya5L2/5rq26LSo55qE54mp6LSo55qE6YeP5aKe5aSn77yM5rWT5bqm5YGP6auY77yM5pWFQ+ato+ehru+8mzxicj5E77yO57un57ut5Yqg5rC06Iez5Ye55ray6Z2i5LiO5Yi75bqm57q/55u45YiH77yM5L2/5rq25ray5L2T56ev5YGP5aSn77yM5rWT5bqm5YGP5bCP77yM5pWFROmUmeivr++8jjxicj7mlYXpgIlD77yO