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Describe how you test for an aldehyde or ketone and distinguish between the two.

To test for an aldehyde or ketone you would use 2,4-dinitrophenylhydrazine (2,4-DNP). 2,4-DNP mixed with methanol and sulphuric acid is knows as Brady's reagent. If a yellow/orange precipitate is formed when...
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Answered by Shivali J. • Chemistry tutor
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What factors affect the rate of photosynthesis in plants?

Three main factors affect the rate of photosynthesis: Light intensity: Increasing light intensity will increase the rate of photosynthesis, until the maximum amount of light is being absorbed. The main photo...
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Answered by Brennen H. • Biology tutor
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How do I improve my accent and get more confident when speaking?

To help improve your speaking I would recommend watching youtube videos in Spanish and Spanish films. Not only will it help you improve your accent but it will alsohelp you improve your vocab. Additionally, ...
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Answered by Melissa N. • Spanish tutor
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What is a gene and why is it relevant?

A gene is a part of a chromosome. The gene codes for a protein that expresses a specific characteristic.Genes code for our physical characterisics. It is a set of instructions to code for a protein which hel...
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Answered by Charlotte C. • Biology tutor
4350 Views

How much work experience do I need for my medicine application?

Unfortunately there is no set answer to this question, however what I do know is that a career in medicine is a life-long commitment and vocation so before you enter into that world you want to be pretty cer...
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