How do you define it? Fe3O4 Pulp ? Fe3O4 (inorganic substance) has the chemical composition Fe3O4. Because it's magnetic, black, this substance is sometimes called magnetic iron dioxide. It is not considered ferrous metaferrite [FeO2(2)2]...…
The U.S. and its allies plan to impose sanctions on more Russian industries and supply chains.The US government representatives recently visited Europe to consult with allies on strengthening and enforcing sanctions to punish Russia. They also plan t…
What is Boron Carbide? Boron carburide (also known as black diamand) is a substance that has the molecular formula B4C. It's a gray-black fine powder. It is one the three hardest substances known (the two others being diamond and cubic boron-nitri...…
Zinc sulfide This powder is light yellow to white or off-white in color. It becomes darker when it is seen. Zinc sulfuride is stable when dry, however, if left in humid conditions for too long or contains moisture it can slowly oxidize and become zi...…
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