So whoever answers this first get's to be the brainliest A man bought some pencils for $30 and some pens for $90. the next day he again bought some pencils for $25 then he sold all the pencils for $20 and the pencils for $70 what is his gain or...
BrainliestBOY737
Asked:
December 2022
The tray now has 3 substances: Sulphur, Iron + Charcoal, and Copper sulphate. What category of substance would each come under? (Your answer cannot be pure / impure).