Non-lustrous materials have shiny surface.
Which one of the following set has two non-metals having shiny and lustrous surface?
Question 1
Lustre is the shine of a material.
(a) What are Lustrous objects? Give examples
(b) What are non-lustrous objects? Give examples
(c) Name a non-metal that is lustrous in nature (HINT: it is the hardest known material).