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[Chemical Knowledge]：What are the upstream raw materials of the single substance? What do the downstream products contain?

Read： 696 Time：13months ago Source：Transform the World with Simplicity

In the field of raw materials for chemical production, there is a wide range of upstream and downstream related products. The following are some common elemental substances and their associated products:

1. Carbon (C): Carbon is an important raw material for many chemicals, and its upstream and downstream associated products include:
* Methane (CH4) : Carbon reacts with hydrogen to produce methane, which is an important natural gas component.
* Ethylene (C2H4) : Through the cracking of hydrocarbons, carbon can be converted to ethylene, which is the basic raw material for many plastics and chemicals.
* Benzene (C6H6) : Carbon can react with hydrogen to form benzene, which is the basic raw material for the production of many chemicals, such as styrene, phenol, etc.
2. Nitrogen (N): Nitrogen is also widely used in the production of chemical products. Its upstream and downstream related products include:
* ammonia (NH3) : nitrogen reacts with hydrogen to make ammonia, which is the basic raw material for the production of chemical fertilizers, nitric acid and other chemicals.
* nitric acid (HNO3) : ammonia oxidation method can produce nitric acid, nitric acid can be used to manufacture fertilizers, explosives and so on.
3. Oxygen (O): Oxygen is often used as an oxidant in chemical production. Its upstream and downstream related products include:
* water (H2O) : The reaction of hydrogen and oxygen can produce water, which is the solvent and raw material for many chemical reactions.
* Hydrogen peroxide (H2O2) : Oxygen prepared by electrolysis can react with hydrogen to generate hydrogen peroxide, which is widely used in bleaching, disinfection and other fields.

The above lists only some common simple substances and their related products, in fact, in the field of chemical production raw materials, simple upstream and downstream related products are very rich, covering many chemicals and raw materials.

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