adm-in wrote:
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 could any of you make up a question answer being hydrogen,oxygen and nitrogen ...

 a. hydrogen b.oxygen c.nitrogen ...

 Molecules of hydrogen escape from Earth, but molecules of oxygen and nitrogen are held to the surface. Why? ...

 I wonder if its possible to create some water out of Hydrogen and Oxygen..? We all know that Hydrogen+Oxygen is the content of water, but is it really possible to make a drop out of it? ...

 I'm making a fuel cell for Science Fair. I was originally calling it a Proton-Exchange Membrane Fuel Cell, but I later found I didn't even have a membrane! I'm using an aqueous electrolyte, not a solid one. So now I don't know what to call my fuel cell, and I'm stuck! A friend who did this project before called it an Alleoline H2/O2 fuel cell. But she also called it an Aqueous Fuel Cell and an Alkaline Hydrogen and Oxygen fuel cell! I'm stuck now. Please help! ...

 A-they are gases at room temerature. B-they are the main elements found in natural substances and living things. C-they are the only elements that make up living cells D-they are the main elements that make up both air and water ...

 What is the name for it?? ...

  [del-e-ted] by adm-in
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  [del-e-ted] by adm-in
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  [del-e-ted] by adm-in
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 the process must be commercially viable ...

 a. have different densities b. occupy different volumes c. are monatomic elements d. contain two times Avogadro's number of representative particles ...

 Water = hydrogen + Oxygen .Why cant we make a system wherein the water is split and the resulting Gas can be used to burn as Fuel.the electricity for the splitting can be generated by a battery initially which can get charged as the vehicle is moving. ...