Correct about chemistry: (a) Nitrogen reactions are endothermic (c) Ammonia is trigonal pyramidal
2025Level 2Medium
Correct about chemistry: (a) Nitrogen reactions are endothermic (c) Ammonia is trigonal pyramidal
Chemistry से और प्रश्न
2025Level 2Medium
Match organic compounds: Isobutane=(CH₃)₂CHCH₃, n-Icosane=CH₃(CH₂)₁₈CH₃, n-Butane=CH₃(CH₂)₂CH₃, n-Undecane=CH₃(CH₂)₉CH₃
2025Level 2Medium
Match elements: Radium=88, Titanium=22, Rhodium=45, Silicon=14
2025Level 2Medium
Elements in increasing melting point: Argon < Phosphorus < Sodium < Magnesium
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