No, tree bark is not a pure substance. It is a complex mixture of various compounds such as cellulose, lignin, tannins, and oils.
An element is a substance that contains only one kind of atom, characterized by a specific number of protons in its nucleus. Each element has unique chemical properties based on the number of protons in its atoms.
Elements can not be broken down.
The conversion of milliliters to grams depends on the density of the substance in question. For water, which has a density of 1 gram per milliliter, 50 milliliters would be equal to 50 grams.
Steel is considered a mixture because it is composed of iron and carbon, along with other trace elements. This combination of elements gives steel its unique properties, making it a versatile material used in various industries.
A rock is a complex mixture of compounds, not a pure substance.
It is a pure substance, because it has other compounds to it.
It is a pure substance, because it has other compounds to it.
Rock salt contains all the minerals found in the seawater from which it formed. These will be many, but NaCl will be the main one.
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.
Gravel is a mixture of different rock fragments. It is not a pure substance because it is composed of various materials of different sizes, shapes, and compositions.
pure substance, propanone
Granite is a rock, a non-homogeneous mixture of minerals.
Pure substance
it is a pure substance.... not
Methane is a pure substance.
pure substance