Biology GCSE
qualitative reagents
What qualitative reagents means in Biology GCSE, as defined for OCR.
Definition of qualitative reagents
Check what you remember
Read the wording for your board, then hide it and explain qualitative reagents in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: OCR
Substances used to identify biological molecules by colour changes, such as Benedict's reagent, iodine solution, Biuret reagent and the ethanol emulsion test.
Topics that use qualitative reagents
- Testing for biological molecules (OCR GCSE)
Related terms
- Bunsen burner
- continuous sampling
- end point
- thermostatically controlled electric water bath
- water bath
- emulsion test
- personal protective equipment
Using qualitative reagents in the exam
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