硝酸 category 硝酸是一种化学物质，参与光照分解和加热反应，产生二氧化氮、氧气等产物。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081969 氧化铁 category 氧化铁是一种化学物质，与硝酸加热反应生成硝酸铁、水和二氧化氮。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081969 氢气 category 氢气是一种化学元素，与氧气燃烧生成水。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081969 氧气 category 氧气是一种化学元素，与氢气燃烧生成水。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081969 二氧化氮 category 二氧化氮是硝酸分解和氧化铁与硝酸反应的产物之一。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081969 硝酸铁 category 硝酸铁是氧化铁与硝酸加热反应的产物之一。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081969 水 category 水是氢气与氧气燃烧的产物，也是氧化铁与硝酸反应的产物之一。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081969 光照分解 event 硝酸在光照条件下发生的分解反应，产生二氧化氮、氧气和水。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081969 加热反应 event 氧化铁与硝酸在加热条件下发生的化学反应。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081975 燃烧反应 event 氢气与氧气发生的剧烈氧化反应，生成水。 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081976 长春市 geo Changchun is a city in China where the 2025 high school entrance exam score thresholds have been announced. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082131 长春市教育考试院 organization Changchun Education Examination Authority is the organization responsible for announcing the 2025 high school entrance exam score thresholds. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082131 2025年中考 event The 2025 high school entrance exam is an academic event in Changchun with determined score thresholds for different admission batches. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082131 第一批次城区普通高中 category The first batch of urban general high schools has a minimum admission score threshold of 689 points. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082131 第二批次城区普通高中 category The second batch of urban general high schools has a minimum admission score threshold of 590 points. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082131 第三批次城区普通高中 category The third batch of urban general high schools has a minimum admission score threshold of 573 points. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082131 中等职业学校的综合高中班 category The comprehensive high school classes of secondary vocational schools have a minimum admission score threshold of no less than 60 points below the third batch of urban general high schools. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082131 中等职业学校 organization Secondary vocational schools provide technical education with admission requirements 60 points below third batch general high schools. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082131 综合高中班 category Comprehensive high school classes are specialized programs within vocational schools that combine academic and technical education. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082137 录取最低控制线 category Minimum admission score thresholds are the official cutoff points set for different school categories in the examination system. chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082137 8.0 硝酸在光照或加热条件下分解生成二氧化氮。 产物生成,化学反应 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081976 9.0 硝酸在光照条件下发生分解反应。 分解过程,化学反应 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081976 8.0 硝酸分解产生氧气。 产物生成,气体释放 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081976 9.0 氧化铁与硝酸加热反应生成硝酸铁。 产物生成,化学反应 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081976 9.0 氧化铁与硝酸在加热条件下发生反应。 加热过程,化学反应 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081981 8.0 氧化铁与硝酸反应生成水。 产物生成,水形成 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081982 10.0 氢气与氧气燃烧生成水。 产物生成,化学反应 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081976 10.0 氢气与氧气发生燃烧反应。 剧烈反应,能量释放 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081982 10.0 氧气与氢气燃烧生成水。 产物生成,化学反应 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081976 10.0 氧气参与氢气的燃烧反应。 反应物,氧化剂 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081982 8.0 光照分解反应产生二氧化氮。 分解过程,气体产物 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081982 9.0 加热反应生成硝酸铁。 反应过程,盐类产物 chunk-e15a8691957b59dd3670b6c8aa37636f Chemistry.docx 1753081982 8.0 Changchun is the location where the 2025 high school entrance exam score thresholds are announced. academic policy,event location chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082137 9.0 The Changchun Education Examination Authority operates under the jurisdiction of Changchun city government. administrative oversight,policy implementation chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082142 9.0 The Changchun Education Examination Authority announced the score thresholds for the 2025 high school entrance exam. academic regulation,policy announcement chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082137 7.0 The 2025 high school entrance exam has a score threshold of 689 points for the first batch of urban general high schools. academic standards,admission criteria chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082137 7.0 The 2025 high school entrance exam has a score threshold of 590 points for the second batch of urban general high schools. academic standards,admission criteria chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082137 7.0 The 2025 high school entrance exam has a score threshold of 573 points for the third batch of urban general high schools. academic standards,admission criteria chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082137 6.0 The 2025 high school entrance exam has a score threshold for comprehensive high school classes of secondary vocational schools that is no less than 60 points below the third batch of urban general high schools. admission criteria,vocational education chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082137 9.0 The examination determines the minimum score thresholds for different school categories. academic standards,admission criteria chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082142 8.0 The minimum score threshold for first batch schools is set at 689 points. academic selectivity,elite education chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082142 6.0 The two batches represent different tiers of academic quality and selectivity in the education system. academic stratification,education hierarchy chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082144 7.0 The minimum score threshold for second batch schools is set at 590 points. academic access,standard education chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082144 6.0 These batches form consecutive tiers in the city's high school admission system. academic progression,education continuum chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082148 7.0 The minimum score threshold for third batch schools is set at 573 points. academic inclusion,basic education chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082144 8.0 Vocational schools have a flexible threshold 60 points below third batch schools. alternative education,vocational training chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082144 7.0 Vocational schools offer comprehensive high school programs combining academic and technical education. hybrid education,skill development chunk-1bbe46b1ac958d6bf8fe8d73558362fb ChangChun.docx 1753082144