निम्न में कौन-सा उत्कृष्ट तत्व है (A) आयोडीन (B) सिलिकॉन (C) आर्गन (D) ब्रोमीन
Which of the following is a noble element ? (A) lodine (B) Silicon (C) Argon (D) Bromine
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C) Argon
Noble elements are those elements that are unreactive towards other elements or compounds. Helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), and radon (Rn), are all noble elements.
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