properties, we can use this method in everyday life. A. When we prepare our meal at home, we try to identify sugar to salt by testing. B. At bank, we try to identify genuine banknotes to fake ones, by comparing their physical properties like watermarks paper quality and chemical properties which shows color changes when we put under UV light, but feck one does not charge. C. At construction area, to identify weather the concrete is strong or weaken, because of the presence of carbon dioxide we put a…
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