Sail E0 Webinar
Question
Which of the following metals can be cut with a knife?
Options:
A .  Gold
B .  Aluminium
C .  Magnesium
D .  Lithium 
Answer: Option D
:
D
Metals are usually very hard but alkali metals (lithium, sodium, potassium) are so soft that they can be cut with a knife. This is because they have very low densities.

Was this answer helpful ?
Next Question

Submit Solution

Your email address will not be published. Required fields are marked *

Latest Videos

Latest Test Papers