2018年中考化学真题分类汇编2我们身边的物质考点14酸碱盐和氧化物6化学反应3一步反应转化(无答案).doc

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1酸碱盐和氧化物(2018遵义) 物质是变化的,下列物质在一定条件下不能实现一步转化的是( ) A. MgMgOMgCl2 B. Fe2O3FeFeCl2 C. CaCO3Ca(OH)2CaSO4 D. SSO2SO3 (18 济宁)9.通过物质向相互反应可以实现物质闻的相互转化,下列物质间的转化,通过一步化学反应不能实现的是A.CCO CO 2 B. Mg MgOMgCl 2C. CuOCu(OH) 2CuCl2 D. NaOHNaClNaNO 3(18 台州)13.下列选项所示的物质转化均能一步实现的是A.Fe Fe2O3 Fe(OH)3 B.CuO CuSO4 CuCl2C.S SO2 H2SO4 D.CO2 Na2CO3 NaOH(18 苏州)24、下列选项所示的物质间转化均能一步实现的是A.Cu CuSO4 Cu(OH)2B.S SO2 H2SO42C.Fe FeCl3 AgClD.C CO2 CaCO3

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