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Passage supports 'Only III'; text explicitly states this. Answer matches.
Ref: NCERT Class 10 English reading comprehension guide answers must be directly supported by passage details central theme explicit statements.
Passage supports 'handling of lithium battery is'; text explicitly states this. Answer matches.
Ref: NCERT Class 10 English reading comprehension guide answers must be directly supported by passage details central theme explicit statements.
Passage supports 'Traditional lead-acid battery business'; text explicitly states this. Answer matches.
Ref: NCERT Class 10 English reading comprehension guide answers must be directly supported by passage details central theme explicit statements.
'Which one of the' equals 'committed'; same meaning. Direct synonym match.
Ref: Cambridge Dictionary thesaurus confirms synonym relationship meaning real true original verified authentic usage standard British.
Diagonal relationships occur between second and third period elements (e.g., Li and Mg) due to similar size and electronegativity, unlike Na, K, or Be.
Ref: NCERT Class 11 Chemistry > Chapter 3: Classification of Elements and Periodicity in Properties > Topic: Anomalous Properties and Second Period and Chemical Reactivity
r₂(H)/r₁(Li²⁺) = 4 / (1/3) = 12.
Ref: NCERT Class 11 Chemistry > Chapter 2: Structure of Atom > Topic: Discovery of Subatomic Particles - Electron Proton Neutron
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