Question

Which metal is alloyed with sodium to transfer heat in a nuclear reactor?

Answer 1

Potassium is alloyed with sodium in order to transfer heat in nuclear reactor. Their combination is denoted as NaK. 

Special precautions are required while using them as both are alkali metals and may explode in case of exposure to air. 

Sodium is the most important metal for nuclear reactions. 

Answer 2

Hey mate!

Here's your answer!!

Potassium is allowed with sodium to transfer heat in a nuclear reactor.

Hope it helps you!