Question

Give reason for 1.Golbules of mercury kept in a petri dish which is shaken slowly came together froming a big globule 2. A crystal of iodine on slow heating in a closed flask turn unto vapour & fill the complete flask 3.An empty tumbler lowered into a glass breaker containing water on tilting show buddles of air coming out but when not telted no buddles are soon​

Answer 1

Answer:

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