Limestone is a substance composed mainly of calcium carbonate. It's not a mixture but a compound formed naturally. Delve deeper into its properties and formation in my free course. Join now to unravel the secrets of this intriguing mineral and broaden your scientific understanding. Take the course today!
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C2H2, also known as acetylene, is a pure substance as it is composed of only one type of molecule, which is acetylene. It is not a mixture of different substances.
Sodium chloride (table salt) is a pure substance because it is a compound made up of sodium and chloride ions in a fixed ratio. It is not a mixture because it cannot be separated into its components by physical means.
Sulfur is a pure chemical element, not a mixture. Therefore, it is considered a homogeneous substance.
Sodium metal is a pure substance and not a mixture, so it is considered a homogeneous material.
CaCl2 is a pure substance. It is a compound made of calcium and chlorine in a fixed ratio.
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.
mixture
Pure substance
pure substance?
No, it is a mixture; rarely a drug is a pure substance.
No a mixture is by definition not a pure substance.
It is a mixture of substances
pure substance
rice pudding a pure substance or a mixture and is it a homogenous or heterogenous
pure substance, propanone
pure substance
Pure Substance