A mixture of hydrogen gas and chlorine gas is illuminated by a strong light: a rapid reac 23、tion explodes.27. Red phosphorus burns in chlorine gas: white smoke generation.28. Chlorine gas meets wet colored cloth: the color of colored cloth fades.29.Heating concentrated hydrochloric acid ...
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dilleniid dicot genus- genus of more or less advanced dicotyledonous trees and shrubs and herbs family Tiliaceae,linden family,Tiliaceae- chiefly trees and shrubs of tropical and temperate regions of especially southeastern Asia and Brazil; genera Tilia, Corchorus, Entelea, Grewia, Sparmannia ...
初中化学常见物质的颜色与特殊反应(The color and special reaction of chemical common substances in junior high school) 1. Black solid: graphite, carbon powder, iron powder, FeS, CuS, CuO, MnO2, Fe3O4 2. Red solid: Cu, Cu2O, Fe2O3, HgO, red phosphorus 3. Light yellow solid: S, Na2O2...
of love because of its beauty and the pure brightness of its light. The reddish appearance of Mars reminded early astronomers of the color of blood, so Mars was named after the Roman god of war. Jupiter is the largest of the planets and was named after the king of the gods. Jupiter's...
Perovskite solar cells (PSCs) have attracted much attention due to their low-cost fabrication and high power conversion efficiency (PCE). However, the long-term stability issues of PSCs remain a significant bottleneck impeding their commercialization. In
初中化学常见物质的颜色与特殊反应(Thecolorandspecialreactionofchemicalcommonsubstancesinjuniorhighschool)1.Blacksolid:graphite,carbonpowder,ironpowder,FeS,CuS,CuO,MnO2,Fe3O42.Redsolid:Cu,Cu2O,Fe2O3,HgO,redphosphorus3.Lightyellowsolid:S,Na2O2,AgBr4.Blacksolid:KMnO4,5.Yellowsolid:AgI,Ag3PO46.Green...
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