Multiple choice

Which of the following substances does not participate in filtration process?

  1. Cotton

  2. Glass wool

  3. Filter paper

  4. Funnel
Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

Generally for the filtration process, things required are glass wool, filter paper and funnel. Cotton is not used for filtration. Funnel is glassware which holds the filter paper. Filter paper is a paper with small pores through which only things of particular size can pass. 

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