题目内容
(请给出正确答案)
[单选题]
消毒剂氯片配比,如以有效氯100mg/片的消毒片为例,可将2粒消毒片放入()ml的水中
A.100
B.500
C.250
D.200
答案
B、500
如果结果不匹配,请 联系老师 获取答案
A.100
B.500
C.250
D.200
B、500
A.有效氯100mg/L-250mg/L, 30
B.有效氯250mg/L-500mg/L, 30
C.有效氯100mg/L-250mg/L, 60
D.有效氯250mg/L-500mg/L, 20
A.50mg/L-100mg/L
B.100mg/L-150mg/L
C.150mg/L-250mg/L
D.250mg/L-500mg/L
A.100mg/L(100ppm)
B.250 mg/L(250ppm)
C.150mg/L(150ppm)
D.100mgL-150mg/L
A.1000ml水加4片泡腾片或84液40ml
B.1000ml水加2片泡腾片或84液20ml
C.1000ml水加1片泡腾片或84液10ml
D.1000ml水加半片泡腾片或84液5ml