下图所示的实验装置或操作不能达到实验目的的是
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| A．配制100 mL 0.1 mol /L盐酸 |
B． 验证AgCl和Ag2S的溶解性 |
C．测定中和反应 的反应热 |
D．实验室制取 并收集氨气 |
相关试题
The children loved their day trip, and they enjoyed the horse ride ______.
| A．most | B．more | C．less | D．little |
Progress______ so far very good and we are sure that the work will be finished on time.
| A．was | B．had been | C．has been | D．will be |
Charles was alone at home, with_______ looking after him.
| A．someone | B．anyone | C．not one | D．no one |
It is often ______ that human beings are naturally equipped to speak.
| A．said | B．to say | C．saying | D．being said |
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