Garry McKay from Melbourne asks

I've a question about solublity, water, and cyclohexanone. Water has a certain solubility in...

Nathaniel P. Luga from Cebu City asks

What chemical or chemicals that can desolve a strong concrete structure, and what is its mixture...

Joaquin Cornejo from Los Angeles asks

Why do dry cell batteries (rechargeable) need to be fully drained before they can be recharged?

George Donati from Andradas-MG- Brazil asks

When you squeeze out a piece of orange-peel on a flame, it catches fire violently. Why? What is...

David from Ottawa asks

I was wondering how I could test for things like heavy metals. How can I do that without paying for...

Intruder from Singapore asks

How does a lightstick work, and what are the chemicals involved?

Stephen Leece from London asks

I am currently researching how sugar (sucrose) reacts with various chemicals. I am particularly...

Mike Ochman from Whitby asks

Where on earth is the gas neon found? Is it common? Rare? In what form is it usually found (as a...

Brooke from the Internet asks

How do you find the solubility of a substance?

Ross Richardson from Battle Creek, MI asks

How long does it take for alcohol to be detected through the skin after your first drink? Is there...

eddie poirier from Orange City, Florida asks

I have always heard that distilled water is a poor conductor of electricity. Is this true and if...

jose from miramar asks

Does fabric softener affect drying time of towels?

Margaret Moore asks

Can you tell me what the exact pH of the acid in our stomach?

bahar from iran asks

We want to know, when we burn NaCl, what happens to Cl?

Mike from Brussels asks

I have been doing an experiment in school and I don't understand why the following happens. When we...

Brad McCarthy from Bridgewater NS asks

In reusable heat packs, the crystalization of sodium acetate is exothermic. This process can be...

sarah gubbs from quebec asks

If I had two unlabelled bottles one containing dilute nitric acid and the other containing dilute...

Linda VonCino from the Internet asks

Is there a "litmus paper" like test that can be used for testing for the amount of caffeine in a...

nijin k from Khd asks

What is the heat wanted to melt the hardest substance in the world?

Bertrand Xiao asks

Is there a better alternative that has yet to be discovered other than zinc to be used in a battery?

Sean M. North from Oregon City asks

In a frying pan, when olive oil is added to butter and heated, according to some cookbooks and...

Peter Griffin from Beaufort asks

How does the type of liquid effect the way it holds heat?

Shakira from Mississauga asks

Why is it that alcohols do not follow a trend for their melting points, like their boiling points...

Adam Bruneau from Atlanta, GA asks

I want to make sculptures out of old vinyl records by melting them down and pouring them into a...

Nick Hiebert asks

Is there a substance known to science that reacts to electrical impulses by contracting or changing...

David Woodard from Lansing, MI asks

How do "Fire Retardents" retard fire? If the flash point of any given material never changes? I...

Ron Belmont asks

How are electron sublevels given their assigned letter?

hart from the Internet asks

I understand that alkenes are more reactive than alkanes. I recently read however, in a new high...

Juanita Higgins asks

How do I generate heat from a battery?

Kelvin from Markham asks

Why does the Original Coke sink into the water, when Diet Coke floats in the water?

Angela from Portland asks

This question is in regard to ‘vintage Lucite purses’ that sometimes end up having an odor...

D Selman asks

Why do I see green and orange lines in a sodium ion when my flame is the color of yellow?

Julie from London asks

Can you give me some information on the reaction of ascorbic acid and N-Bromosuccinimide? How do...

Ian from London asks

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

Phil asks

What are the chemical properties of phosphorus?

Marke Jones from Aurora, Ontario asks

Why do many pharmaceutical drugs have HCl (hydrochloride) associated with them? Is this a...

Gina from Boston, Massachusetts asks

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

Ernesto C Ignacio from Malabon City, Philippines asks

I understand that in some countries it is prohibited to use industrial acetic acid to make table...

Wilma de leon from Philippines asks

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

KIm from Waldorf asks

What furnishs H30+ in water solution?