Chemistry · S-Block Elements
आजकल सड़कों पर रोशनी के लिए प्रायः पीले लैम्पों का प्रयोग किया जाता है। उन लैम्पों में निम्नलिखित में से किसके वाष्प का प्रयोग किया जाता है?
Verified Solution4 OptionsUpdated: October 2026👁️1 View
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