The manufacture of metallic wires is based on metals ductility.
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Being ductile, malleable, freezing, melting are some examples of physical changes of a substance. Physical changes do not form a new substance while chemical changes do. Examples of chemical changes are a rusting nail and combustion.
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For example some useful isotopes: 241Am, 242mAm, 243Am.
Some examples of physical properties are mass, volume, density, hardness, malleability, ductility, brittleness, boiling point, and melting point.
WikiAnswers is a useful site when you want to know something. A wheel is a very useful invention. A spoon is more useful for eating soup than a fork or a knife.
yes some chemical reactions are harmful to us. as digestion of food, photosynthesis, decomposition of organic waste are some examples of the useful chemical reactions.
Materials that are ductile, or have the property of ductility, will stretch and deform when they are pulled, rather than breaking. Gold, silver, copper, iron, and lead are common examples of ductile materials.
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Ductility, the property of a substance to be drawn out into a thin wire is a physical property associated with some metals, such as gold, silver and copper.
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Some examples of useful mixtures include air (a mixture of gases), soil (a mixture of organic matter and minerals), and alloys (mixtures of metals). These mixtures have unique properties that make them valuable in various applications ranging from construction to manufacturing.