B. it means the compound is dissolved in water
Uhh I'm kinda blind so can you hold it a little straight
Appropriate method for separating a mixture of iron and aluminum is definitely <span>A. using a magnet. If we use the second method we will </span>vaporize either aluminum or iron.
If we used the third method it <span> would change liquid into a gas which is strange according to the task.
</span>And observing (even for a long time) won't help separating.
