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燃烧在生活、生产中有着广泛的应用,中考大纲要求学生认识燃烧的条件和灭火的原理的应用以及安全常识,主要考查学生对燃烧条件的探究和灭火原理在实际中的应用。2010年中考题主要体现出以下几个方面特点:一、考查燃烧的条件和灭火的原理了解燃烧是一种剧烈的发光发热的化学变化,知道燃烧的条件并由燃烧的条件推导出灭火的原理
Burning in life, has a wide range of applications in production, senior high school entrance examination program requires students to understand the application of the principle of burning and fire extinguishing and safety common sense, the main test students explore the combustion conditions and fire extinguishing principle in practice. 2010 exam questions mainly reflect the following aspects: First, examine the combustion conditions and principles of fire extinguishing Understand combustion is a violent chemical changes in luminescence heat, know the conditions of combustion and combustion conditions derived from the principle of fire