氨具有强烈刺激性、毒性和可燃性,与空气混合时有爆炸危险,遇高温产生氢气和氮气,浓度达到______会爆炸。
A、1.5%~10%
B、15.7%~27.4%
C、10%~90%
D、20%~80%
【答案】B
氨具有强烈刺激性、毒性和可燃性,与空气混合时有爆炸危险,遇高温产生氢气和氮气,浓度达到______会爆炸。
A、1.5%~10%
B、15.7%~27.4%
C、10%~90%
D、20%~80%
【答案】B
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