RO & ARO Paper I GS (30 June 2024)

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Question 1:

Which gas is commonly used in advertising sign boards and decorative lights?

विज्ञापन साइन बोर्डों और सजावटी बत्तियों में आमतौर पर प्रयुक्त की जाने वाली गैस है ?

  • क्लोरीन Chlorine

  • नाइट्रोजन Nitrogen

  • हाइड्रोजन Hydrogen

  • निऑन Neon

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