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How should phenol waste be disposed of in DNA isolation?

Answer and explanation

Correct answer: Through an approved chemical-waste route

Phenol is a hazardous chemical that can cause serious injury through skin or eye contact and can also harm the environment if released improperly. Waste containing phenol should therefore be collected in a compatible, clearly labelled chemical-waste container and handled through the institution’s approved hazardous-waste procedure. The exact process may depend on local regulations, concentration, and whether the waste is mixed with other chemicals, so laboratory safety instructions must be followed rather than improvising disposal. Option A is correct. Pouring phenol into a sink can expose people and contaminate water, while placing it in a garden or leaving it on a bench is unsafe and unacceptable.

Related tags

Phenol WasteChemical SafetyHazardous DisposalIsolation Of DnaProcesses Of Recombinant Dna TechnologyBiotechnologyClass 11 Mcq

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