Question

how can you find whether a material is lustrous or non - lustrous ?​

Answer 1

Lustrous means shiny it is the property of metals. On the other hand non lustrous is the property of non metals which means not shiny. lustrous mans shiny it is the property of metals . On the other hand non lustrous is the property of non metals which means not shiny.

Answer 2

Answer:

you know that lustrous is shining also and non lustrous is not shining.

I hope my answer is helpful for all.