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What is the reaction between a chitin--the polysaccharide intermediate between protein and...

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How can I tell the difference between Zinc and Aluminium metal?

Steve from Honolulu, HI asks

I'm interested in commerical lightsticks... I understand it is hydrogen peroxide and oxalate ester...

Gina from Boston, Massachusetts asks

I am allergic to nickel and cobalt. (thanks to patch testing). I think it was provoked by taking...

Phil asks

What are the chemical properties of phosphorus?

Adil asks

Has absolute zero (0 K) ever been reached a laboratory?

Thomas Seltsam from Austria asks

Is glass an amorphous mass? Old glass, for example the glass found in old churches, is much thicker...

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What furnishs H30+ in water solution?

David Magill from Shippensburg asks

In 1828, Friedrich Wohler, a German chemist attempted to make an inorganic salt, ammonium cyanate,...

Sonia asks

How could I decrease the boiling point of a substance without changing the pressure of the liquid?

Amanda Gillis from Margaree asks

What are the intermolecular forces for polycrystalline solids? And what is the geometric shape? I'm...

C.L.Bridger asks

What chemical additives can be used to increase the octane rating of unleaded gasoline?

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What are vinyl erasers made of?

erin asks

Can you explain how those bright sticks work, the ones that glow for hours with a snap and a shake?

Loubelle I. Depita from Koronadal City, South Cotabato, Philippines asks

Why does Nitric Acid stain the human skin yellow?

James from Hamilton asks

If 'O' (oxygen) is an element and CO2 is a compund...what is O2, or Cl2?

julie from Soledad asks

What is the polar nature of water?

Pierce H. asks

Does mercury in its gas form act the same way as air - I mean if heated, does it rise?

Base from Ontario asks

Why is vegetable oil viscous?

Dave from the Internet asks

Hi, I am looking for a procedure that I can use for a science investigation. We are testing water...

Sherri from Baltimore asks

Does Henna (a plant based hair dye) contain any aluminum in its substances?

Joe Joe from Scarbrough asks

What is the chemical reaction involved when dyes attach to cotton fibres? Is there any difference...

Jim from Yorkton asks

Why does ice make pop fizz? Shouldn't it fizz less since the gas is being cooled?

Dixie from Los Angeles asks

What is a simple way to explain miscible and immiscible liquids?

TINA from the Internet asks

How much chorline is added to drinking water? Why?

Sue from Mississauga,On. Canada asks

What is the chemical composition of soya margarine?

John Douglass asks

Hexane seeps out of the ground at old sites of underground gasoline storage tanks. Can I smell...

Colin Genade asks

I have seen some advertised ice packs that claim to have salt water solution in them and a clicker,...

Andrea from London asks

In chemistry, how do you know what the formula of a compound is? For example, how do you know if it...

Josh from New York asks

If hydrogen peroxide is bad for cells, why is it good for cuts? Also, how is it a good treatment...

Koshoua from Leola asks

What is the substance or chemical in nail polish that makes it dry?

Kirsten from Toronto asks

What is in most nail polish removers?

Wesley O. Smith from Yuma, TN USA asks

I have 10 gallons of new battery acid 31%-39% Sulphuric acid, SP gr. 1.26. I need concentrated...

Josh from niagara falls asks

What is the ingredient used to make "hair gel" stiff and hold?

UML @ Lake.Sherwood .School from Baton Rouge asks

What cause the red dye to explore when it leaves the bank during a robbery? Does the red dye ever...

Philip Steernberg asks

On cold nights Florida farmers spray oranges with water which quickly freezes into ice on the...

max scott from Perris, California asks

When I go to buy my plain t-shirts, I always wonder if there is a particular color choice (dyes)...

LAIRENMAYUM GYAN PRAKASH MEITEI from IMPHAL asks

I would like to know if the distance of maximum probability of finding electrons in an orbital...