施用碳酸氢铵、氯化铵等铵态氮肥能够促进农作物生长，但是铵态氮肥不能与碱性肥料如草木灰混合使用，其原因是铵态氮肥（ ）
| A．易溶于水 | B．能与碱反应 |
| C．受热易分解 | D．在水中易发生电离 |
相关试题
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 |
I’m sure that your letter will get______ attention. They know you’re waiting for the reply. 
| A．continued | B．immediate | C．careful | D．general |
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