GCSE Chemistrynodulenonmetal非金属具有典型不导电和热的性质的物质nonmetallicmineral非金属矿物nonrenewableresource不可再生资源nonstick16normalsalt中和盐nuclearfusion核聚变nucleotidenucleus核子nutrient养分营养nylon尼龙odourless无味的oilbathoilrefining粗油提纯用分馏的方法将原油分离成单独馏分的方法oleum发烟硫酸optimum...
Topic 5 energy changes 能量变化 Topic 6a rates of reaction 反应速率 Topic 6b reversible reactions 可逆反应 Topic 7a hydrocarbons andcrude oil 烃类原油 Topic 7b organic compounds 有机化合物 Topic 8 chemical analysis 化学分析 Topic 9 chemistry of the atmosphere 大气化学 ...
Topic 5 energy changes 能量变化 Topic 6a rates of reaction 反应速率 Topic 6b reversible reactions 可逆反应 Topic 7a hydrocarbons andcrude oil 烃类原油 Topic 7b organic compounds 有机化合物 Topic 8 chemical analysis 化学分析 Topic 9 chemistry of the atmosphere 大气化学 ...
51.GCSE Chemistry - What is a Hydrocarbon. What are Alkanes. Hydrocarbons and Al 04:44 52.GCSE Chemistry - Alkanes_ properties _ combustion #52 05:25 53.GCSE Chemistry - Crude Oil and Fractional Distillation #53 05:28 54.GCSE Chemistry - Cracking Crude Oil & Alkenes #54 06:27 55.GCSE...
A series of free GCSE Chemistry Lessons on Separation Techniques. In this lesson, we will learn Elements, compounds and mixtures Interpreting a chemical formula Filtration and crystallisation Simple distillation Fractional distillation Chromatography Elements, Compounds and Mixtures What are elements, compoun...
系统平台:Mac / iPad / iPhone / 所有苹果系统 兼容性:需要 iOS 11.0 或更新. 分数: 5 共2 人投票 描述 Don't know what to revise? Not enough time to revise? Let Rudi Rabbit help by asking you a whole bunch of Chemistry questions and then suggesting which topics you have done least well...
kerosene crude oil (b) Gold occurs in ores, which are mixtures of gold and other substances. Several elements and compounds are used in the extraction of gold from its ores. Each box below represents the substances present in one part of the extraction process. ...
Take tests by Topic and Difficulty Level Topics Covered: Acids, Bases and Salts Calculations in chemistry Bonding and Structure Rates of reaction Water Food Additives Periodic table Collection of and tests for gases Qualitative Analysis Crude Oil and Fuels Earth and Atmosphere Food chemistry Alcohols ...