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Explain in terms of their solubility in different solvents and the emulsion test, why you do not see false negatives due to:
Monosaccharides and disaccharides
Starch
Nucleic acid
Protein

...

What improvements can you suggest to the method for this qualitative test? What at changes would you make to obtain semi-quantatitive results?

Can anybody help me. My passport expired on the 13th of this month and I'm planning on going to France via channel on the 27th. Will they allow me across with an expired passport or will I have to...

Okay so me and this boy was talking for about 3/4months non stop and yes feeligs were involved, but recently he feels that its awkward between us, and I feel drifting between us! I really don't know...

Okay, so I'm 15, female, and I'm very short and only weigh 6 and half stone! I always get comments made at school saying how 'skinny' I am and some call me annorexic! I find it hard to gain weight,...

Thank you so much for your help! Really appreciate it! It will be just over 2 years and I'll probably be staying with my uncle who lives there.:) anyway thanks again for the advice, I'll take it on...

Not sure about age limits but me still lbeing in school and no proper oppourtunites out around where I live I can't move until leaving school but I have already looked in to moving to london so I can...

Yes I have, inside school I've participated in many competitions and outside, the dance school I go to every year we do 2 shows and then we do many festivals and charity events we can:)

Right so I'm coming up to my gcse's and I'm doing dance. Outside of school I done ballet for 3years when I was seven and hiphop and street since I was 6/7 and quite recently have taken up...

No I never went on a date with his friend, one of his friends was meeting my best friend so I tagged along then next thing he tells me he has feeligs for me then asked me out. I never had any feeling...

Ok thank you. Im just a bit worried because my sister had the same problem when she was my age and she went to the doctors and they told her she wouldn't be able to have children because she was in...

No we aren't in same grade. It's the summer holidays now and 2weeks left out of 6 and we have met uo nearly everyday until this week really/: when we were talking the other week he was giving me the...

I have been on my period for a couple of years now and are still having irregular periods. I can go 3-4months without having one then sometimes I only last around 2-3weeks! And when I do get them...

[We aren't in a relationship, but when we meet I feel so comfortable around him like although we should be but we arent/: we haven't met in a couple days and it sounds stupid but I miss him

Im 16 he's 17

Thank you I will do that and try the salt water

Well what shall I do? I don't want to have it re-pierced because I had a bad experience in having it done.

So, there's a boy and I'm really into him, and him being a year older than me I feel he's lost interest a bit. First couple of weeks spending together he was real touchy and attentive and always...

Savlon was what I got told to use by the women who done it. It says it prevents infections.

Thank you both for your help:).

Its silver but not sure what type bar it is**

To clean it, I use savlon! I got told to put it on a cotton bud and clean both top and bottom of the bar. Its silver but not sure what ty

I had my belly button pierced on Monday and it was fine, not red not even sore. Then on Wednesday it started hurting and was real sore, then has now got a red rash almost like a burn where the bar...