Flash Education

Question

In a hill station a group of tourists were going for a short tour by a jeep. The driver was repeatedly wiping the glass of front window as there was obstruction of view. Answer the following questions based on the information given above. (i) Why there was obstruction in view? (ii) What precaution should be taken by the driver in the hilly area? (ii) Write any two properties of it.

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Answer

(๐‘–) The obstruction in view was due to formation of a mixture known as smog created by smoke and fog, present in the atmosphere.

(๐‘–๐‘–) The driver should move in a slow pace with front lights on.

(๐‘–๐‘–๐‘–) Smog is a mixture known as suspension.

Characteristics:

(๐‘–) The particle size in suspensions ranges from 10-3 cm to 10-5 cm.

(๐‘–๐‘–) The particles of suspension do not pass through filter paper.

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