question_answer 47)

The element which exists in liquid state for a wide range of temperature and can be used for measuring high temperature is : (a) B                      (b) Al                                     (c)\[Ga\]                                              (d)\[In\]                

Answer:

(c) The melting point of gallium is \[30{}^\circ C\]and boiling point\[2240{}^\circ C\]. Thus, the element exists in liquid state for a wide range of temperature.