Steel is homogeneous, because it is an alloy. An alloy is a solid mixture of different metal components. In a homogeneous mixture, the components contained in the mixture are uniformly distributed throughout the mixture. More »

Soil is a heterogeneous mixture. Soil is made up of a variety of substances, such as pebbles, plant matter and sand, but these components remain separate in the mixture. More »

Air, syrup and rain are examples of homogenous substances, while pizza, blood and gravel are examples of heterogeneous ones. The components of homogenous substances are uniformly distributed in a single phase, while thos... More »

Although some artificially produced sands may have small enough grains to appear homogeneous, beach sands are heterogeneous mixtures, according to Elmhurst College. Heterogeneous mixtures are composed of particles which ... More »

Steel is an alloy made up of carbon and steel. The combination may vary, but steel is renowned for tensile strength. The carbon and iron form a crystal lattice reinforcing the sturdy metal. More »

Steel is one of the main items on a list of things made of iron.Steel is made of approximately 98 percent iron, according to Minerals Education Coalition. Other items that are made of or contain iron are magnets, auto pa... More »

Raney nickel is an alloy of nickel and aluminum that has much of the aluminum removed through a leaching process with sodium hydroxide. It is used as a catalyst in organic chemistry and as a reagent. More » Science Earth Science Geology