What is the isomeric structure of oxygen-containing derivatives?
Play the Transformers. As long as the same molecular formula, you can group out how many d...
Why not ah?
A series of compounds in which a hydrogen atom in a hydrocarbon molecule is replaced by an...
What is "organic" and "inorganic" in chemistry?
Carbon-free substances or carbon oxides, carbonates, bicarbonates are organic matter...
Organic organic compounds are organic matter?
Organic polymer compounds are organic matter...
Are the asphalt and peat kinds of vegetables have heavy metal?
Asphalt and its flue gas on the skin and mucous membranes are irritating, phototoxic and c...
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