問題詳情
7在實驗室稀釋濃硫酸，應以何種方式處理？
(A)將水緩慢倒入裝有濃硫酸的燒杯中
(B)將水先倒至杯中再緩慢倒入濃硫酸
(C)同時將水跟濃硫酸緩慢倒入燒杯中
(D)先倒少量濃硫酸到燒杯，再加入一些水，依此步驟交替進行
(A)將水緩慢倒入裝有濃硫酸的燒杯中
(B)將水先倒至杯中再緩慢倒入濃硫酸
(C)同時將水跟濃硫酸緩慢倒入燒杯中
(D)先倒少量濃硫酸到燒杯，再加入一些水，依此步驟交替進行
參考答案
答案：B
難度：簡單0.80303
統計：A(22),B(265),C(1),D(26),E(0)
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