Subject :NSO Class : Class 9
Ms Mehta, a science teacher gave different mixtures to four groups of students to separate their components. Which group was not following the correct method?
A Group 1 was separating a mixture of ethyl alcohol and water by using separating funnel.
B Group 2 was separating a mixture of ammonium chloride and sodium chloride using sublimation.
C Group 3 was separating a mixture of iron pins and sand by using a magnet.
D Group 4 was separating mud particles suspended in water using sedimentation and decantation.