SC-799
Filtration
Lower Sec Science · Secondary 1 · Hard · Filtration
A student filters a mixture of sand and salt solution using filter paper. Which statement correctly describes the role of the filter paper pores for successful filtration?
- Pores are smaller than the sand particles but allow the solution through
- Pores are larger than the sand particles but smaller than water molecules
- Pores are the same size as the sand particles
- Pores are smaller than both sand and water molecules
Sign in to check your answer and see the hint and the worked explanation. Free on PrepLab High.