SC-754
Filtration
Lower Sec Science · Secondary 1 · Hard · Filtration
A student wants to separate a mixture of sand and common salt (sodium chloride). She adds water, stirs, and then filters the mixture. Which statement correctly explains what happens during filtration?
- The filtrate is pure water and the residue is a mixture of sand and salt.
- The filtrate is salt solution and the residue is sand.
- The filtrate is sand and the residue is salt solution.
- Both sand and salt remain as residue on the filter paper.
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