• # 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)$In$

(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.