2. નીચેનામાંથી સમાનાર્થી શબ્દનું કર્યું જોડકું ઉચિત નથી ?
(A) સષ્ટિ જગત (B) અવસ્થા- યુવાની (C) સોડમ - સુગંધ
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Explanation:
In chemistry, an element is a pure substance consisting only of atoms that all have the same numbers of protons in their atomic nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substances by chemical means.
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