Select the INCORRECT match out of the following.
ATalc - Softest mineral
BCoal - Used to make electricity
CChalk - Used to write on black board
DGraphite - Used to make kitchen slabs
Select the INCORRECT match out of the following.
ATalc - Softest mineral
BCoal - Used to make electricity
CChalk - Used to write on black board
DGraphite - Used to make kitchen slabs