Question

The boiling point of copper is __________

(a) 3287°C

(b) 2470°C

(c) 2562°C

(d) 1687°C

The question was asked in an interview for internship.

This interesting question is from Copper and its Alloys in division Copper and its Alloys of Aerospace Materials & Processes

Answer 1

Right answer is (c) 2562°C

For explanation: The boiling point of an element is the temperature where the external pressure around the liquid equals the pressure exerted by the vapour of the liquid. The boiling point of copper is 2562°C and aluminium is 2470°C.