Author: learnhannah
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Secondary Maths: Prime numbers, Integers, Rational numbers and irrational numbers
Common Mistakes in Singapore GCE O Levels Secondary Maths: Prime Numbers, Real Numbers, Integers ,Rational numbers, and Irrational NumbersThe GCE O Levels Maths syllabus in Singapore covers a wide range of topics, including Prime Numbers, Real Numbers, and the classification of Rational and Irrational Numbers. While these concepts are fundamental, students often make common mistakes…
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Physics Notes: The Electromagnetic Waves Spectrum
This post is on Physics Notes: The Electromagnetic Waves Spectrum What is the Electromagnetic Spectrum?– The electromagnetic spectrum is a range of all types of EM radiation, from radio waves to gamma rays.– These waves carry energy across space and play crucial roles in everyday life. image source: https://www.britannica.com/ Radio Waves to Gamma RaysThe spectrum…
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Study Tips: Chemistry and Physics Exams Answering Guidelines
This post is about Study Tips: Chemistry and Physics Exams Answering Guidelines. In this guide, you’ll find valuable tips to help you uncover the key techniques for tackling chemistry and physics exam questions more effectively and confidently. We’ll explore strategies to enhance your problem-solving skills, manage your time efficiently, and approach each question methodically. By…
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Chemistry Notes: Addition & Condensation Polymerisation
This post is Chemistry Notes: Differences between Addition & Condensation Polymerisation. Learn the difference of Condensation and Addition Polymerisation! Condensation PolymerisationProduct: Condensation polymerisation forms the polymer molecule and one water molecule per linkage. Addition PolymerisationProduct: Addition polymerisation forms the polymer molecule only. Condensation PolymerisationMonomers: Uses two different types of monomers with different groups (e.g. diol…
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Chemistry Notes: Titration pH graphs and types of indicators
This post is on Chemistry Notes on Titration pH graphs and types of indicators. Titration pH Curve: Before the End Point: The pH remains high.H⁺ ions added will neutralise OH⁻ ions.The concentration of OH⁻ ions decreases. At the End Point: A single drop causes a sharp change in pH, resulting in a colour change.Just enough…