are combustible and flammable substances same explain with examples?
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Flammable materials are those that can catch fire and burn easily at normal working temperatures. Whereas, combustible materials are the ones that have the ability to burn at temperatures that are above working temperatures.
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Iron and Oxygen. This is a very versatile demonstration. It is an example of a formation reaction, a redox reaction, and a combustion reaction.
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Combustion, a chemical reaction between substances, usually including oxygen and usually accompanied by the generation of heat and light in the form of flame.
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Kerosene and Diesel Fuel are termed Combustible because their Flashpoint is greater than 100 degrees F. Gasoline produces ignitable vapors that are 3 to 4 times heavier than air and can travel for great distances along the ground. Gas vapors tend to accumulate in low or enclosed spaces.
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Vapors [from home heating oil or other petroleum products] may be ignited rapidly when exposed to heat, spark, open flame or other source of ignition. When mixed with air and exposed to an ignition source, flammable vapors can burn in the open or explode in confined spaces.
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Yes, spray foam insulation is considered flammable. No matter what a salesperson may try to tell or sell you, all foam plastic materials must be considered flammable in accordance to the international building code.
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A fire is when a substance rapidly consumes oxygen to produce heat and light. An explosion is an event where energy rapidly expands outward from the source, often creating a damaging shock wave. A fire may not cause an explosion, and explosions can happen without a fire.
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Oxidation/Reduction Single displacement and combustion reactions are ALWAYS redox. Reactions involving free elements as either reactants or products are redox. This will include many synthesis and decomposition reactions. Double displacement reactions are NEVER redox.
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Fire is caused is when a substance rapidly consumes oxygen to produce heat and light. An explosion is an event where energy rapidly expands outward from the source, often creating a damaging shock wave. A fire may not cause an explosion, and explosions can happen without fire.
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Accidental contact between incompatible chemicals can result in a fire, an explosion, the formation of highly toxic and/or flammable substances, or other potentially harmful reactions: Oxidizers mixed with flammable solvents can cause a fire. Acids mixed with metal dust can produce flammable hydrogen gas.
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Some oxidizing materials are also incompatible with non-combustible materials. These oxidizers can undergo dangerous reactions with water, inorganic acids or even other oxidizing materials.
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All matter has physical and chemical properties. ... Chemical properties describe the characteristic ability of a substance to react to form new substances; they include its flammability and susceptibility to corrosion. All samples of a pure substance have the same chemical and physical properties.
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The flash point of a flammable liquid is the lowest temperature at which there will be enough flammable vapor to ignite when an ignition source is applied. Unlike flash points, the autoignition temperature does not use an ignition source. ... As a result, the autoignition temperature is higher than the flash point.
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Water is made up of two elements, hydrogen and oxygen. Hydrogen is flammable, but oxygen is not. ... You can't burn pure water, which is why we use it to put out fires instead of starting them. You can, however, break it down into hydrogen and oxygen by putting energy into it, in the form of an electric current.
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Combustion, being the exothermic reaction of a material, typically with atmospheric oxygen, is absolutely a chemical reaction, so "Combustibility" is a chemical property, or sort of.
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Chemical properties describe the characteristic ability of a substance to react to form new substances; they include its flammability and susceptibility to corrosion. All samples of a pure substance have the same chemical and physical properties.
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Combustion reactions, such as a burning candle, are also examples of the chemical change through the combination of wax and oxygen in a reaction that produces heat, light, and carbon dioxide. Decomposition, the opposite of combination, occurs when a single substance breaks down into two or more different substances.