Will mark as

when sugar and iron fillings are mixed together, you can separate them using a magnet. when sugar and iron fillings are mixed and then heated until a chemical reaction occurs you can

a. sift the mixture to separate the iron fillings with a magnet

b. dissolve the sugar in water to separate it from the iron

c. no longer separate the iron fillings with a magnet

d. still separate the iron fillings with a magnet

i'm begging