Oxygen is an ELEMENT. It is found in the Periodic Table.
It exists in two allotropic forms, viz. O2(oxygen) and O3(ozone).
Sulphur is an element. It is neither compound nor mixture.
Paper is a heterogeneous mixture because it is made up of different materials (such as cellulose fibers and various fillers) that are not chemically bonded together. It is not a solution, compound, or element.
Water is a compound, specifically a chemical compound made up of two hydrogen atoms and one oxygen atom. It is not an element, solution, or heterogeneous mixture.
Grain alcohol is a homogeneous mixture because it is composed of alcohol and water, which are completely mixed at the molecular level. It is not an element or compound on its own, but a mixture of different substances.
Sulfuric acid is a compound because it is composed of multiple elements (sulfur, hydrogen, and oxygen) chemically bonded together in a specific ratio. It is not an element, solution, or heterogeneous mixture.
It is a heterogeneous mixture.
It is a heterogeneous mixture.
Heterogeneous mixture.
It is a heterogeneous mixture.
It is a heterogeneous mixture.
mixture
element
It is a heterogeneous mixture.
Heterogeneous
Sulphur is an element. It is neither compound nor mixture.
Sulphur is an element. It is neither compound nor mixture.
Dirt is generally (but not obligatory) a heterogeneous mixture.