Methyl Orange and Phenolpthalein Colours in Acid and Alkali, with End Points. A-Level Chemistry Prac
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YouTubeA-Level Chemistry by Primrose Kitten
Methyl Orange and Phenolpthalein Colours in Acid and Alkali, with End Points. A-Level Chemistry Prac
I want to help you achieve the grades you (and I) know you are capable of; these grades are the stepping stone to your future. Even if you don't want to study chemistry further, the grades you get now will open doors in the future. For more chances to study and revise you can…. Join my YouTube Classroom https://www.youtube.com/channel ...
314K viewsJul 9, 2015
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The chemical test to detect blood: a. Marquis Test b. Duquenois-Levine Test c. Kastle-Meyer Test d. Scott Test The answer is option c: the Kastle-Meyer Test. This chemical test is used to detect the presence of blood. It is performed by applying a few drops of phenolphthalein solution to the suspected bloodstain, then adding hydrogen peroxide. A pink color change indicates a positive result, meaning blood is likely present. #ForensicScience #BloodDetection #KastleMeyerTest #CrimeSceneInvestigati
The chemical test to detect blood: a. Marquis Test b. Duquenois-Levine Test c. Kastle-Meyer Test d. Scott Test The answer is option c: the Kastle-Meyer Test. This chemical test is used to detect the presence of blood. It is performed by applying a few drops of phenolphthalein solution to the suspected bloodstain, then adding hydrogen peroxide. A pink color change indicates a positive result, meaning blood is likely present. #ForensicScience #BloodDetection #KastleMeyerTest #CrimeSceneInvestigati
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