{"ok":true,"q":"Hydrogen Fuel Cells","n":72,"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_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_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_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\/biology\/chapter_08_cell_the_unit_of_life","title":"Chapter 8 — Cell The Unit Of Life","class_num":11,"subject":"biology","subject_label":"Biology","summary":"This chapter introduces the cell as the basic structural and functional unit of all living organisms. Beginning with historical discoveries (Hooke, Leeuwenhoek) and the development","topic":"","anchor":""},{"id":"class_08\/science\/chapter_05_coal_and_petroleum","title":"Chapter 5 — Coal And Petroleum","class_num":8,"subject":"science","subject_label":"Science","summary":"This chapter explains two major fossil fuels — coal and petroleum — their origin, composition, extraction, uses and environmental effects. It introduces how dead plants and animals","topic":"","anchor":""},{"id":"class_12\/geography\/chapter_07_mineral_and_energy_resources","title":"Chapter 7 — Mineral And Energy Resources","class_num":12,"subject":"geography","subject_label":"Geography","summary":"This chapter (Class 12 Geography — India: People and Economy — \"Mineral and Energy Resources\") examines the occurrence, distribution, classification and utilisation of mineral and ","topic":"","anchor":""},{"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_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"}]}