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mixture
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Is lime stone a pure substance?
Limestone is not a pure substance. It is a sedimentary rock composed of various minerals such as calcite, aragonite, and dolomite. These minerals can vary in composition and impurities, making limestone a heterogeneous mixture rather than a pure substance.
Is limestone a pure substance or a mixture?
Pure substance
Limestone is a compound or element or mixture?
Limestone is principally CaCO3, which is a compound. Because naturally occurring limestone is usually formed from sea shells and ocean bottom debris mixed together, naturally occurring limestone is usually a mixture. Naturally occurring limestone in caves in the form of stalactites and stalagmites can be much more nearly pure than limestone formed from former sea beds, but even these kinds of cave limestone generally contain some materials other than pure CaCO3.
Is quicklime a mixture?
Pure quicklime is calcium oxide, which is a compound, not a mixture. Commercially available supplies may be mixtures, as they are made from naturally occurring limestone, which may not be pure calcium carbonate. However such impure mixtures are usually pretty homogeneous.
Is stone a compound element or mixture?
Iy depends on the stone. Limestone and marble are almost sure calcium carnonate. Materials like mica, quartz and most gemstonesare pure compounds. Cpper and gold are often found as pure elements.Granite is a mixture of various gristles bonded together.
Is gold alloy mag wheel a pure substance or mixture?
pure substance?
Is a homogeneous mixture a pure mixture?
The term pure mixture doesn't exist; the components can be more or less pure.
Is aluminum oxide an heterogeneous mixture?
Pure quicklime is calcium oxide, which is a compound, not a mixture. Commercially available supplies may be mixtures, as they are made from naturally occurring limestone, which may not be pure calcium carbonate. However such impure mixtures are usually pretty homogeneous.
Is a mixture of elements a pure substance?
No a mixture is by definition not a pure substance.
Is a pure substance a homogeneos mixture?
No. by definition a pure sustenance is not a mixture.
Is a marble pure substance or mixture?
Just like granite, marble is a mixture. However, unlike granite, marble is typically more than 90% calcium carbonate, so it might count as a pure substance. Marble is a type of limestone, so is a mixture.
Is chalk a mixture or pure substance?
Chalk is a type of limestone composed primarily of calcium carbonate. In its pure form, chalk is considered a pure substance because it has a uniform and definite chemical composition. However, commercially available chalk may contain impurities or additives, making it a mixture.
