Page 2 - HA
P. 2
Q.6 How many grams of 15% ( mass/mass)sugar solution would take it to get 75 g of
sugar?
Q.7 Name the dispersed phase and the dispersion medium and the type of colloid in the
following:
(a) Fog
(b) Milk
(c) Gem stone
Q.8 (a) What are Aerosols? Give any two examples.
(b) What is are the dispersed phase and dispersion medium in emulsion:
Q.9 Subrat took 100 mL of water and started adding salt to it with constant stirring. After
a while he found that salt is not dissolving anymore. He heated the solution and found
that some more salt dissolved. Explain his observation with suitable reason.
Q.10.Shobha took three glasses one with sugar solution, the second one with starch
solution and third one with muddy water and tried to pass the light from a laser beam.
What are her observations? Explain with suitable reasons.
