複選題
26.在常溫下,下列何者屬於引火性氣體?
(A)乙炔
(B)乙烯
(C)聯氨(NH2∙NH2)
(D)二硫化碳
(E)環氧乙烷(CH2OCH2)
答案:登入後查看
統計: A(841), B(800), C(621), D(381), E(757) #1613817
統計: A(841), B(800), C(621), D(381), E(757) #1613817