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Tech Dexing offers top-rated online tutoring for IGCSE, GCSE, O-Level, and A-Level students across Cambridge, Edexcel, Oxford AQA, and Pearson curricula.
With over 10 years of experience, we provide personalised 1-on-1 sessions. Struggling to keep up or aiming for top grades? TechDexing is your partner for academic success. We provide expert, one-on-one online tutoring for all major exam boards:
✅ Cambridge & Edexcel IGCSE
✅ AQA, OCR & Pearson Edexcel GCSE
✅ AS & A-Level (Cambridge & Edexcel)
Over 10+ years of expertise in core and elective subjec
How do we know air is made of tiny moving particles?
Have you ever seen smoke or dust dancing in a beam of sunlight? Invisible air particles collide with smoke particles, making them move randomly! This key concept is called Brownian Motion!
Master kinetic particle theory for your IGCSE Chemistry 0620 (2026-2028 exams), O Level, and A Level prep!
Want top grades? TechDexing offers expert 1-on-1 online tutoring tailored to your syllabus!
Quiz time: What makes the smoke move? Drop A (Wind Only) or B (Tiny Moving Air Particles) below!
Melting vs Boiling? Combustion vs Corrosion? Rusting vs Burning?
Here is a quick breakdown of 3 essential chemistry differences you need to know for your IGCSE Chemistry 0620 (2026-2028 exams), O Level, and A Level prep!
Want to score top grades? TechDexing offers expert 1-on-1 online tutoring tailored to your syllabus!
Quick Quiz: Is rusting a slow reaction or a fast reaction? Drop your answer below! 👇
Which is faster: diffusion in air or diffusion in water? 🧪💨
Diffusion is much faster in gases because gas particles are further apart and move much faster than liquid particles! 💨✨ That’s why bromine vapour spreads so quickly!
Master kinetic theory for your IGCSE Chemistry 0620 (2026-2028 exams), O Level, and A Level prep! 📈📚
Quiz time: Where is diffusion faster? Drop A (Gas) or B (Liquid) below!
PH vs Concentration? Salt vs Sugar? Sublimation vs Evaporation?
Here is a quick breakdown of 3 core chemistry differences you need to know for your IGCSE Chemistry 0620 (2026-2028 exams), O Level, and A Level revision!
Quick test: What state change happens during sublimation? Drop your answer below! 👇
It’s all because of particle collision and diffusion!
Master kinetic particle theory for your IGCSE Chemistry 0620 (2026-2028 exams), O Level, and A Level prep!
Quiz time: Do particles need stirring to move? Drop your answer (A or B) below!
It’s all because of particle collision and diffusion!
Master kinetic particle theory for your IGCSE Chemistry 0620 (2026-2028 exams), O Level, and A Level prep!
Quiz time: Do particles need stirring to move? Drop your answer (A or B) below!
Molarity vs Molality? Organic vs Inorganic? Alkali vs Base?
Here is a quick breakdown of 3 major chemistry comparisons you need for your IGCSE Chemistry 0620 (2026-2028 exams), O Level, and A Level revision!
Remember: All alkalis are bases, but not all bases are alkalis! Drop your chemistry questions below!
What is diffusion?
Diffusion is one of the most important chemistry definitions you MUST memorize for IGCSE Chemistry 0620 (2026-2028 exams), O Level, and A Level papers!
Watch this fast breakdown of how particles move and check out real-life examples like perfume, food smells, and bromine vapour!
Quiz time: Diffusion is particle movement from HIGH concentration to ______ concentration? Drop your answer (A or B) below!
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Cation vs Anion? Exothermic vs Endothermic? Catalyst vs Reactant?
Here is a fast breakdown of 3 major chemistry comparisons you need to know to lock in easy marks on your IGCSE Chemistry 0620 (2026-2028 exams), O Level, and A Level papers!
Does an exothermic reaction release or absorb heat? Let us know in the comments! 👇
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