OCCURRENCE OF METALS
Chapter 3: Metals and Non-metals · SCIENCE · EN medium
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OCCURRENCE OF METALS The earth’s crust is the major source of metals. Seawater also contains some soluble salts such as sodium chloride, magnesium chloride, etc. The elements or compounds, which occur naturally in the earth’s crust, are known as minerals. At some places, minerals contain a very high percentage of a particular metal and the metal can be profitably extracted from it. These minerals are called ores.
📖 ncert books class 10 science chapter 3 · Page 13
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OCCURRENCE OF METALS The earth’s crust is the major source of metals. Seawater also contains some soluble salts such as sodium chloride, magnesium chloride, etc. The elements or compounds, which occur naturally in the earth’s crust, are known as minerals. At some places, minerals contain a very high percentage of a particular metal and the metal can be profitably extracted from it.
These minerals are called ores.
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