Why do solids have a definite shape and distinct boundaries at normal room temperature without applying force ?
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Solution
Definite shape and distinct boundaries of solids:
In solid form, molecules are so tightly packed that there is very less intermolecular space and there is a high Intermolecular force of attraction.
Thus, molecules of solids do not move about their mean position and thus solids have a definite shape and volume along with distinct boundaries at room temperature without applying force.