初三化学总复习资料化学复习专题推断题(国外英文资料).doc

初三化学总复习资料化学复习专题推断题(国外英文资料) Chemistry for grade nine, grade two, 13 pages, first pages, Part 1 1. material characteristics (1) a colorless can make the limewater turbid odorless gas material exergy exergy in CO2 (2) can make the wood with Mars back O2 in gas exergy exergy (3) common reducing substances such as C, CO, H2 exergy exergy in (4) common pungent smelling gas such as SO2, HCl, NH3, exergy exergy in (5) common combustible gas such as H2, CO, CH4 exergy exergy in The 2. element or substance (1) the most abundant elements in the earths crust are the most abundant metallic elements. Exergy O Al In (2) oxide relative molecular mass is the smallest exergy in H2O (3) organic matter is the most simple exergy in CH4 (4) the most common solvent is H2O in exergy (5) forming element compound is the most. Exergy in C (6) the relative molecular mass density, minimum is the minimum exergy in gas is H2 3. material state Common gas has simple elements. H2, N2, O2 in exergy Common solid elements are. Fe, Cu, C, exergy and P in S 4. the use of substances For artificial rainfall is commonly used as a condiment, exergy CO2 NaCl Commonly used food desiccant is. Exergy in CaO 5. material name NaHCO3 Included Ca (OH) 2. Exergy of soda lime, lime in Exercises The 1 industry in marble and hematite as main raw materials to prepare B and G the conversion relationship as shown below the known D, G element. Answer the following questions 1. Write the chemical exergy in B the G CaO Fe in nine grade chemical exergy inferred two substances from special industry two 13 page second page 2. Write from exergy chemical equation of the reaction 2, water solution of known commonly used acid hydrochloric acid, sulfuric acid, nitric acid from exergy and exergy of commonly used alkali potassium hydroxide or sodium hydroxide from the reaction of neutral salt. think A blue crystal into a colorless neutral solution is observed as shown during the test Try to fill in the blank in accordance with the foll