The key points to note in the exam on Chemistry are here

 Natural part, pay attention to the traits of functional organizations, can participate in the type of response, reaction traits, pay interest to the combination of graphite chain structure.


( Issue solving breakthrough) assumption: find a discovery to observe more thinking response equation, the key response type, reaction formula to know, and review plus do the problem.


On the way to get the reverse road, each are blocked from this middle.


Chemical color, rain, gas, organic unique reaction, special practical groups.


( Natural queries to the conditions are utilized, even is the issue breakthrough) one, the typical name chemical: drink soda, soda, natural hydroxide, mouth alkali: NaCO cooking soda: NaHCO cooking soda: NaSO rock 233223 glue( raw gypsum): CaSO. 2HO prepared gypsum: 2CaSO·. HO rock: CaF bentonite: BaSO( no 424224 toxic) marble, marble: CaCO lime: CaO hydrated lime, salt lime: Ca( OH) corrosive soda, caustic soda, 32 caustic potassium: NaOH green alum: Africa· 7HO dry ice: CO student: KAl( SO4)· 12HO bleaching flour: 422 22 Ca( ClO) and CaCl alum, blue alum: CuSO· 5HO gas peroxide: HO Hao alum: ZnSO· 7HO 22 422242 sand, quartz: SiO corundum: AlO water glass, perialkali, nutrient glue: NaSiO iron red, iron ore: FeO223 2323 hematite: FeO pyrite, pyrite: FeS copper green, tourmaline: Cu( OH) CO Diamite: FeCO3422233 red copper: CuO Burgundy fluid: Ca( OH) and CuSO Main parts of glass: NaSiO, CaSiO, SiO2242332 calcium superphosphate( main component): Ca( HPO) and CaSO weighty superphosphate( main element): Ca( HPO) day 2424242 natural gas, biogas, pit gas( main element): CH, water gas: CO and H photocatalytic smog: NO is a toxic gas produced by light 422 king water: focused HNO and solid HCl( according to the volume ratio of 1: 3 mixed).


Aluminum broker: 3Al+ FeO or other dioxide urea: CO( NH) 2322 organic: methanol: CHCl calcium carbide: CaC magnesium carbide gas: CH( propane) TNT: trinitrotoluene alcohol, 3222 alcohol: CHOH fluorinated petroleum: is a good refrigerant, harmful, but destroy the O coating. Acetic acid: glacial acetic acid, 253 vinegar CHCOOH breaking gas structure( petroleum cracking): olefin, alkyl, alkyne, HS, CO, CO, etc.


chemical encyclopedia 322 glucose, panol: CHO coke oven gas composition( coal distillation): H, CH, ethylene, CO, etc.

Carboniic acids: 38324 phenol CHO teral: aldehyde HCHO formalin: 35% -40% formaldehyde aqueous solution acid acid: 66 acid HCOOH glucose: CHO sugar: CHO sugar: CHO maltose: CHO61266126122211122211 starch:( CHO) CHCOOH oleic acid: CHCOOH fatty acid: 6105173517331531n: benzoic acid salicylic acid: oxalate: acetic acid HOOC-COOH Ffade the blue paint, Strong ph, Heat and decomposition into CO and liquid, 2, 1 2+ copper: iron powder is ebony, A whole item of solid iron is silver-white.



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