Fill in the blanks
(a) A colloid is a __________ mixture and its components can be separated by the technique known as __________.
Ans. heterogeneous, centrifugation
(b) Ice, water and water vapour look different and display different __________ properties but they are __________ the same.
Ans. physical, chemically
(c) A mixture of chloroform and water taken in a separating funnel is mixed and left undisturbed for some time. The upper layer in the separating funnel will be of __________ and the lower layer will be that of __________.
Ans. water, chloroform (hint– density of water is less than that of chloroform)
(d) A mixture of two or more miscible liquids, for which the difference in the boiling points is less than 25 K can be separated by the process called __________.
Ans. fractional distillation
(e) When light is passed through water containing a few drops of milk, it shows a bluish tinge. This is due to the __________ of light by milk and the phenomenon is called __________. This indicates that milk is a __________ solution.
Ans. scattering, Tyndall effect, colloidal
