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It is a type of fuel oil distilled from petroleum. It boils above about 250°C

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It is a homogeneus mixture bacause all the compositions are uniform throughout the mixture

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It is the invisible gaseus substance surrounding the Earth, a mixture mainly of oxygen and nitrogen

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It is a homogeneus mixture bacause its components cannot be distinguished from each other easily

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It is a visible suspension of carbon or other particles in air, typically one emitted from a burning substance

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It is a homogeneus mixture because you can't see the different materials it is made of

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It is a substance that looks like poider, and consist of extremely small pieces of stone

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It is a heterogeneus mixture because you can identify different types of particles, such as shells, etc

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It is an opaque white fluid rich in fwt and protein, seceted by female mammls for their babies

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It is a heterogeneus mixture composed of globules of fat and protein disposed in water

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It is a flammable hydrocarbon gas of the alkane series, present in petroleum and natural gas. It is used in bottled form as fuel

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It is a homogeneus mixture, because it is a compound wich is made up by combination of elements of carbon and hydrogen

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It is a complex mixture of water, salts and smaller amounts of other substances

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It is a homogeneus mixture because of the presence of a mixture of several dissolved gases and salt

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It is a ductile, malleable, silver-white metallic element

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It is a pure substance becquse it is a metal and metals are a class of elements wich cannot be broken down into simpler substances

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It is a hard crystalline metamophic form of linestone, used in sculpture and architecture

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It is a heterogeneous mixture because you can see different coloured components

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It is a silver-white metallic chemical element with atomic number 13 that has good electrical and thermal conductivity.

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It is a pure substance because it is a chemical element

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It is a very hard natural igneus rock formation of visibly crystalline texture

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It is an HETEROGENEOUS MIXTURE because it is composed of minerals that are clearly distinguishable (quartz, alkali, etc)

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It is a powder used to make things stick togetter firmly

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It is an HOMOGENEOUS MIXTURE because it components cannot be seen with the naked eye. It is made mainly from compounds of aluminium, calcium, silicon and iron

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It is a precious stone, a mineral composed of pure carbon. It is the hardest natural mineral and it is an exceptional thermal conductor.

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It is a PURE SUBSTANCE, because it has a constant chemical composition