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Explanation for the test for reducing and non reducing sugars

Could someone please explain to me why we do each step in the tests for reducing sugars and non reucing sugars... i.e why do we have to create a solution....why do we need to heat the solution when...

Jayemm

Colourless, tasteless liquid. Need help!

Hi! I'm trying to remember the name of a liquid we used in an experiment at school (over twenty years ago, mind!). It was colourless and tastless to the majority of people, but apparently pregnant...

bartholomew

Is it too late

Hi guys I have one question. I am 28 years old and two Masters degrees (Management and Law) but I would like to be a doctor. The problem is that I think it is too late now as i am too old. What do you...

Repens

the common stinging nettle

Is the common stinging nettle( Uritica dioica) a British native. Some one sugested it was brought hear by the Romans. "what have the Romans done for us?"

dawkins

Endosymbiotic Theory

Were the cellular organelles mitochondria and chloroplasts of eukaryotic cells once free living prokaryotic organisms?

richardland

Environmentally Friendly Weedkiller

Is there such a thing as an environmentally friendly weedkiller. I am told glyphosate rapidly decomposes after application but it seems to have nasty health considerations. Any ideas?

coffeee

Why a spiral for DNA?

Why does DNA form a spiral shap and not just straight rods?

Iceman2006

help please!

im starting year 10 at school and i was just wondering if any1 here could help me with what i would need and where i would have 2 go to be able to do csi forensics for my work experience, id...

chowders

sea cucumber

what has the highest water content - a cucumber or sea water?

Birt

Elements salts

HI Abers I am reading a book about the elements that mentions the "salts". Usually about solable insoluble salts. What is meant by salts?

Glpblondie

If you were on a bus......

if you were standing at the front of a bus and jumped in the air while it was moving, would you land back on the same spot or would you land at the back of the bus as you were in mid air?

pink_lady76

water

Why does water help with weight loss. I've been told to drink lots of it and it will help when dieting? Is carbonated water as good?

richardland

Is Walkers Sunseed Oil a GM product?

I noticed that Walkers crisps are now cooked in Sunseed Oil which is a trade marked name. Does this mean that the 'special' sunflower oil is from genetically modified plants?

Birt

Lightest metal

HI Abers I know lithium is the lightest metal known but a friend of mine says certain alloys can be lighter. Is this correct? If so then how can 2 heavier metals be alloyed to make a metal lighter...

o8sp

mould/fungal growth

what is the black stuff that grows in washing machine detergent comparment and in bathrooms? is it a fungal growth or mould (or are those terms interchangeable)?

nantyboy

Old silver coins

I have some old silver coins that have become dirty through circulation. Does anyone please have any tips for cleaning them without tarnishing them?

arwenant

somethings bugging me about pro's and pre's

what is the difference between pro-biotic and pre-biotic? thanks in advance

bartholomew

good questionnaire

Hi there How are yo? I was wondering if you can recommend me a website/book about how to design good questionnaires. Thanks in advance

EDDIE51

Liquid explosive ???

Any other chemists having serious misgivings about the offered explaination for the security clampdown ion the news today? Liquid explosive in drink bottles triggered by an electronic device??? Anyone...

matty443

gun powder

dose any one no a good gun powger recipy thanks

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