Examlex
Digital or interactive whiteboards display a computer's desktop and can be controlled using a special pen or a finger.
Heterogeneous Mixture
A mixture that composes of components that aren't uniform or they have localized regions that all have different properties.
Homogeneous Mixture
A mixture in which the composition is uniform throughout and the different components cannot be distinguished.
Copper Sulfate
A blue crystalline chemical compound of copper and sulfate ions, used in various applications such as agriculture and chemistry.
Bluing
A process used to protect steel against rust by forming a thin protective layer of magnetite (Fe3O4) on its surface.
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