Question

why two or more murcury drops from a single drop when brought in contact which each other​

Answer 1

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It is due to large cohesive force acting between the molecules of mercury that the droplets of mercury when brought in contact pulled together to form a bigger drop in order to make potential energy minimum. The temperature of this bigger drop increases since the total surface area decreases.

Answer 2

Explanation:

Because of high density my friend. .......