The table shows the solubility of four substances, W, X, Y and Z, in ethanol and in water.
Two methods of separation are given.
● method 1: add the substance to ethanol and then filter
● method 2: add the substance to water and then filter
Which substances can be separated from each other by both method 1 and method 2?
1 )
W and X
X and Y
3 )
X and Z
4 )
Y and Z
تحلیل ویدئویی تست
تحلیل ویدئویی برای این تست ثبت نشده است!
پرسش و پاسخ های مشابه
سوال کنید یا به سوالات دیگران پاسخ دهید ...