Question

I have a mixture of salt , water and iron . I pass them through a filter . What is left in the filter and what passes through into the cup?

Answer 1

Answer:

Iron is left in the filter & Salt Water passes through into the cup.

Explanation:

NaCl particles are soluble in water & hence can easily pass through a filter. While Fe particles are insoluble in water & hence cannot pass through the filter.

Answer 2

Answer:

Iron is left in the filter & Salt Water passes through into cup