expalin combined state of metal and also with example
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Combined state: The metals having appreciable reactivity are found in the combined state. They occur as oxides, halides, sulphides, phosphates, silicates etc. The highly electropositive elements (Na, K, Mg, etc.) are found as compounds of highly electronegative elements (chlorine, oxygen etc.).☺
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(i) Free state: A few metals occur native or free in the earth. Gold, platinum and silver are some of the metals occurring in the free state. ... (ii) Combined state: The metals having appreciable reactivity are found in the combined state. They occur as oxides, halides, sulphides, phosphates, silicates etc.
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