Select the mismatched option from the followi | vedclass

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(D) In sewage treatment,the primary treatment involves physical removal of particles through filtration and sedimentation,resulting in 'primary sludge

Vedclass · Accepted Answer

Primary sludge – Flocs

Vedclass · Answer

(D) In sewage treatment,the primary treatment involves physical removal of particles through filtration and sedimentation,resulting in 'primary sludge'.'Flocs' are masses of bacteria associated with fungal filaments,which are formed during the secondary (biological) treatment process.Therefore,'Primary sludge – Flocs' is a mismatched pair because primary sludge consists of solid waste settled during primary treatment,whereas flocs are a characteristic feature of the secondary biological treatment.

Select the mismatched option from the following.

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