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Chemistry is the scientific study of the properties and behavior of matter. [1] It is a physical science within the natural sciences that studies the chemical elements that make up matter and compounds made of atoms, molecules and ions: their composition, structure, properties, behavior and the changes they undergo during reactions with other substances.
Persiaran Persekutuan is a major highway in Putrajaya, Malaysia. It connects Wetland Interchange of the South Klang Valley Expressway in the north to Persiaran Sultan Salahuddin Abdul Aziz Shah in the south.