How can I separate NaCl so I can obtain Na?
from Karachi, Pakistan
Why do we get coloured water if we put a slice of beet root in water but we do not get coloured...
How can I make my own methylated spirit?
How does pectin gel?
Can stabilized oxygen be used in place of iodine or chlorine to purify water? What if used in...
What is fire composed of? Could you have liquid fire, or solid fire?
Can you help me with a wonderful magic trick I performed as a boy? I made a silk rose change...
What is the chemistry behind the method of cleaning silver where you place it on some aluminum foil...
Where does the energy in freezing water come from? When water freezes, its volume increases so that...
Mohammed Talha Khan
Why does water evaporate when it is left out in the open?
Does the location of chlorophyll a in the thylakoid membrane have anything to do with its...
Why does a saturated solution of calcium acetate gel when either ethanol or isopropanol is added to...
How can I measure how much liquid is in an apple, lettuce, a potato, and an orange?
How do hot packs work? My wife purchased a reusable hot pack for keeping our baby warm when we go...
What two liquids combine that gives you a solid instantly?
Why does the Periodic Table of the Elements have two separate tables - one above and one below?
What happens to the ice cubes in our freezer bucket. They get smaller even if they are a solid. Do...
I am experimenting with microwave reboil caused when you microwave coffee or water and add sugar,...
Can a 'stove' be made using methane gas produced by waste material?
Would you be able to help me out in any way to find material on Fluorine?
What is Tritium?
I am wondering how water/air changes it's molecular structure so that when air is heated it...
Why do batteries behave differently when kept at different temperatures?
In my science project a...
from Mississauga, Ontario
I am really interested in chemistry and I was wondering where I would be able to purchase some of...
What chemical reaction takes place when you use henna to tint skin? Is it possible to extract the...
from Halifax, NS
I have a liquid crystal display screen computer monitor. I am looking for unbiased information on...
D. Andrew White
Do different isotopes vary slightly in chemical properties? Or are they the same? i.e. are the...
How long does it take styrofoam to decompose? Are there chemicals that help to cause the...
Is it harmful to inhale sulfur which has been heated?
If we are making a perfume and we pour alcohol on an orange peel; why would the smell increase the...
from Dayton, Ohio
I have been trying to find formulas for simple auto windshield washer fluid. Can't find anything....
Jerry E. Allen
Is it possible to freeze water in a vacuum? Is there a chart that shows water temperature vs....
from Guwahati, Assam, India
Just like 1 mole of water contains Avogadros number of molecules and has the same mass as that of...
justine van der Werf
I have read that when oxygen is condensed to a liquid state, or indeed to a solid state it becomes...
How does a lightstick work, and what are the chemicals involved?
Why is Isobutane ( C4H8) a gas at 25 C and Dodecahedrane ( C20H20) a solid at 25 C?
Can you tell me what the exact pH of the acid in our stomach?
from Los Angeles
Why do dry cell batteries (rechargeable) need to be fully drained before they can be recharged?
from Andradas-MG- Brazil
When you squeeze out a piece of orange-peel on a flame, it catches fire violently. Why? What is...
from Morris Plains, NJ
Why is the helical content higher in gelatin with higher molecular weight. In other words, it seems...
from Orange City, Florida
I have always heard that distilled water is a poor conductor of electricity. Is this true and if...
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