{"ok":true,"q":"Fuel Cells","n":43,"results":[{"id":"class_10\/science\/chapter_12_sources_of_energy","title":"Chapter 12 — Sources Of Energy","class_num":10,"subject":"science","subject_label":"Science","summary":"Introduction: Energy is essential for all human activities and economic development. Chapter \"Sources of Energy\" (Class 10 Science, NCERT) presents a clear classification of energy","topic":"Hydrogen and Fuel Cells","anchor":"topic-11"},{"id":"class_12\/chemistry\/chapter_03_electrochemistry","title":"Chapter 2 — Electrochemistry","class_num":12,"subject":"chemistry","subject_label":"Chemistry","summary":"Electrochemistry (Class 12, Chemistry – Part I) studies chemical processes that cause electron transfer and the interplay between chemical energy and electrical energy. This chapte","topic":"Batteries, cells and fuel cells","anchor":"topic-17"},{"id":"class_11\/chemistry\/chapter_01_hydrogen","title":"Chapter 1 — Hydrogen","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"This chapter introduces Hydrogen — the simplest and most abundant element in the universe (electronic configuration 1s1) — and examines its unique position in the periodic table, p","topic":"","anchor":""},{"id":"class_11\/chemistry\/chapter_08_redox_reactions","title":"Chapter 8 — Redox Reactions","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"Introduction: This chapter introduces redox reactions — chemical processes in which oxidation and reduction occur simultaneously. You will learn how electrons are transferred betwe","topic":"Applications and biological\/industrial relevance","anchor":"topic-21"},{"id":"class_08\/science\/chapter_14_chemical_effects_of_electric_current","title":"Chapter 14 — Chemical Effects Of Electric Current","class_num":8,"subject":"science","subject_label":"Science","summary":"Introduction: This chapter explores the chemical effects of electric current — how electric current can cause chemical changes in substances it passes through. Using simple electro","topic":"Electrolysis of Water (Acidulated Water)","anchor":"topic-6"},{"id":"class_08\/science\/chapter_06_combustion_and_flame","title":"Chapter 6 — Combustion And Flame","class_num":8,"subject":"science","subject_label":"Science","summary":"This chapter explains combustion — a chemical process in which a substance reacts with oxygen, releasing heat and light — and explores the nature and structure of a flame. It intro","topic":"Sources of fuels and cleaner alternatives","anchor":"topic-7"},{"id":"class_05\/environmental_studies\/chapter_11_sunita_in_space","title":"Chapter 11 — Sunita In Space","class_num":5,"subject":"environmental_studies","subject_label":"Environmental Studies (EVS)","summary":"Introduction: \"Sunita in Space\" is a chapter from Class 5 Environmental Studies (Looking Around – 5) that introduces students to the idea of human space travel through the experien","topic":"Food, Water and Hygiene in Space","anchor":"topic-9"},{"id":"class_11\/chemistry\/chapter_03_classification_of_elements_and_periodicity_in_properties","title":"Chapter 3 — Classification Of Elements And Periodicity In Properties","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"Introduction: This chapter introduces the systematic arrangement of elements in the Periodic Table and explains the recurrence (periodicity) of chemical and physical properties. It","topic":"Position and Peculiarities of Hydrogen and Helium","anchor":"topic-15"},{"id":"class_12\/geography\/chapter_10_transport_and_communication","title":"Chapter 10 — Transport And Communication","class_num":12,"subject":"geography","subject_label":"Geography","summary":"This chapter examines the transport and communication systems of India — their types, spatial distribution, functions and role in national integration and economic development. It ","topic":"Recent Trends and Technological Advances","anchor":"topic-19"},{"id":"class_11\/chemistry\/chapter_02_structure_of_atom","title":"Chapter 2 — Structure Of Atom","class_num":11,"subject":"chemistry","subject_label":"Chemistry","summary":"This chapter introduces the historical development and modern understanding of the atom — from early atomic models to the quantum mechanical model. It explains experimental evidenc","topic":"Discovery of subatomic particles","anchor":"topic-2"}]}