to separate a mixture of hard candies and marbles, the most efficient method would be sorting the mixture by…

to separate a mixture of hard candies and marbles, the most efficient method would be sorting the mixture by hand. complete to separate a mixture of iron filings and salt, the most efficient method would be passing a magnet through the mixture sorting the mixture by hand distilling the mixture
Answer
Brief Explanations:
Iron filings are magnetic while salt is not. A magnet can attract the iron filings, separating them from the salt easily. Sorting by hand is inefficient for small - sized iron filings and salt. Distillation is used for separating mixtures based on differences in boiling points, which is not applicable here.
Answer:
passing a magnet through the mixture