41. White phosphorus is always kept under
42. Milk is a colloidal system in which:
43. An emulsion is a colloid of a
44. An emulsion is a colloidal solution of
45. Colloids can be purified by
46. A colloidal system in which a liquid is dispersed in a liquid is called
47. Which is a natural colloid ?
48. Suspension particles have the size between
49. Which of the following acts as best adsorbent?
50. Gelatin is mostly used in making ice-creams in order to
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