Correct about chemistry: (a) Same atomic number different nucleon = isotopes (b) Non-metallic compounds form covalent molecules (c) Mg²⁺ oxidation = +2
उत्तर: (B) (a),(c) Only — The correct answer is (B) (a),(c) Only. The other options contain one or more statements that are factually inaccurate or do not meet the criteria specified in the question.
2025Level 2Medium
Correct about chemistry: (a) Same atomic number different nucleon = isotopes (b) Non-metallic compounds form covalent molecules (c) Mg²⁺ oxidation = +2
संबंधित REET प्रश्न
Match organic compounds: Isobutane=(CH₃)₂CHCH₃, n-Icosane=CH₃(CH₂)₁₈CH₃, n-Butane=CH₃(CH₂)₂CH₃, n-Un...
ChemistryScience
Match elements: Radium=88, Titanium=22, Rhodium=45, Silicon=14
ChemistryScience
'प्लास्टर ऑफ पेरिस' (Plaster of Paris) का रासायनिक सूत्र है:
Acids, Bases and SaltsScience
'लिंग निर्धारण' (sex determination) मानव में किस गुणसूत्र (chromosome) द्वारा होता है?
ReproductionScience
Assertion: Prosopis Juliflora is native to Rajasthan (WRONG - it's invasive). Reason: Tendu is used ...
Rajasthan FloraSocial Studies
Chemistry के सभी प्रश्न देखें
विषय देखें →