Answers to Chemistry Questions

Answers to questions about chemistry, matter, gases, fuels, green chemistry, nanotechnology...

20 November 2005

Why is it that cream crackers left out take a matter of a few hours to go soggy and stale, yet when put into a large...

13 November 2005

I was fitting a multi-fuel burner in the living room and want to know where to fit the carbon monoxide detector. Should...

06 November 2005

I have recently bought these cool hand warmers that are filled with a gel and a metal disc. When you bend the metal...

23 October 2005

What's the difference between fuel sold in the winter and in the summer?

09 October 2005

Why is the sun so hot?

09 October 2005

When petrol is spilt on the ground and mixed with water, how come it's so colourful?

12 December 2004

Some roofs have clean lines across them caused by copper cables that have been lain across them in the past. Why?

05 December 2004

I am interested in finding asbestos in buildings. I was wondering whether Raman spectroscopy could be incorporated into...

05 December 2004

Can you use spectroscopy to spot whether ID cards are real, or faked on a home printer?

21 November 2004

Why do bubbles stick together in soapy water?

03 October 2004

I bleached my hair recently, does bleach affect the scalp?

19 March 2003

Why can you smell some gases, but not others?

17 March 2003

What makes glue sticky?