General science MCQs class 7th part 4|| ETEA tests preparation PST CT PET DM||ETEA education cadres

General science MCQs class 7th part 4|| ETEA tests preparation PST CT PET DM||ETEA education cadres Khyber pakhtoonkhwa This comprehensive video covers General Science Class 7 Part 4 topics essential for ETEA education cadre posts such as PST, CT, PET, DM in Khyber Pakhtunkhwa. The video explains physical and chemical changes, combustion, rusting, and properties of matter with clear examples, Urdu translations, and detailed explanations. Enhance your preparation for upcoming exams with these 25 concept-based MCQs and answers! General science class 4t all parts 👇    • General science mcqs 4th class ETEA (PST C...   General science class 5th All parts 👇    • General science MCQs Class 5th-  (PST CT P...   General science class 6th All parts 👇    • General Science Class 6th MCQs (ETEA PST C...   General science class 7th All parts 👇    • General science class 7th MCQs (ETEA tests...   Covered Topics in this Video: 1. Examples of Physical Change – What defines a physical change like melting ice? 2. Chemical Change Explained – How matter transforms into a different substance. 3. Real-Life Chemical Change – Burning paper as a chemical process. 4. Characteristics of Physical Changes – Change in form, not composition. 5. Father of Chemistry – Antoine Lavoisier and his contributions. 6. Law of Conservation of Mass – Mass is neither created nor destroyed. 7. Physical vs Chemical Change – Baking a cake as a chemical process. 8. Common Features of Chemical Changes – Formation of new substances. 9. Combustion Reaction – Heat and light generation through burning. 10. Gases from Incomplete Combustion – Carbon monoxide and sulphur dioxide. 11. Harmful Effects of Combustion – Role in global warming. 12. Formation of Iron Oxide (Rust) – When iron reacts with air. 13. Galvanizing – Protection of metal through zinc coating. 14. Poisonous Combustion Gases – Dangers of carbon monoxide. 15. Rust Prevention Methods – What works and what doesn’t. 16. Why Rusting Happens More Outside – Air and moisture exposure. 17. Black Coating on Silver – Reaction with hydrogen sulphide. 18. Formation of Silver Sulphide – Cause of tarnished silver. 19. Chemical Properties of Matter – Understanding reactivity. 20. Physical Properties of Matter – What is malleability? 21. What is Ductility? – Metals drawn into wires. 22. Most Malleable Metal – Why gold is used in jewellery. 23. Melting Point Explained – Solid to liquid transformation. 24. Salt on Icy Roads – Lowering freezing point in winter. 25. Definition of Chemical Property – Changes in substance composition. This video is specially made for candidates preparing for ETEA Science sections of teaching jobs in KP. ETEA General Science MCQs, Class 7 Science Part 4, Physical and Chemical Changes, PST Science preparation, Rusting prevention, Combustion in science, Antoine Lavoisier, Law of Mass Conservation, Melting point, Properties of matter, Science for teaching posts, Education Cadre Science KPK, PET CT DM Science, Galvanizing, Silver tarnishing, Freezing point depression General Science General Science Class 7th General Science Class seven / seventh General Science MCQs ETEA PST CT SST PET DM AT TT Qari General Science MCQs ETEA education cadres jobs General Science MCQs ETEA tests preparation General Science Class 7th MCQs Part 3 General Science Class 7th All MCQs General Science Class 7th Important MCQs General Science Class 4th to Class 8th General Science PST MCQs General Science CT MCQs General Science PET MCQs General Science DM MCQs General Science Important Topics ETEA General Science Important Topics MCQs General Science Class 4th General Science Class 5th General Science Class 6th General Science Class 7th General Science Class 8th Class 6th Treasure of Knowledge MCQs 7th General Science General Science Treasure of Knowledge Treasure of Knowledge MCQs for ETEA Khyber Pakhtunkhwa Textbooks MCQs Khyber Pakhtunkhwa Text Board Books General Science MCQs PST Primary School Teacher (BPS-12) CT Certified Teacher (BPS-15) SST Secondary School Teacher (General) BPS-16 CT Certified Teacher (IT) Information Technology (BPS-12) SST (Islamiat) BPS-16 PET Physical Education Teacher (BPS-15) SST Secondary School Teacher (Islamiat) BPS-16 DM Drawing Master (BPS-15) SST Secondary School Teacher (IT) BPS-16 TT Theology Teacher (BPS-15) Qari/Qariya (BPS-12) AT Arabic Teacher (BPS-15) PST Primary School Teacher (BPS-12) ETEA 2025 #ETEA2025 #PSTPreparation #GeneralScienceMCQs #KPKJobs #PhysicalChange #ChemicalChange #Combustion #Rusting #ScienceClass7 #TeachingJobsKP #EducationCadreKP #PET #CT #DM #ScienceQuiz #ScienceMCQs