Question

sometimes we see sand being sprinkled on the railway track when the track is wet?why
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Answer 1

So that that the inorganic salts present in the sand absorbs the water........also to increase the friction...

:)

Answer 2

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Explanation:
When the track is wet, there is a chance of train coming out of the track or slipping out of the track. So. Sand is sprinkled on the tracks b’cause sand absorb the water on track. It reduces the chance of accidents.