🧪 Acids and Alkalis – Full Lesson | Science Prep 1 – Lesson 2 with Ms. Elham Salah
Автор: مدرسة العائلة المصرية
Загружено: 2026-01-20
Просмотров: 32
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Welcome to your complete guide to Acids and Alkalis! 🌟
In this essential Lesson 2 for Preparatory Grade 1 (Prep 1), Ms. Elham Salah explains everything you need to know about acids, alkalis, and how to tell them apart — all aligned with the Egyptian Ministry of Education curriculum.
✅ What you’ll learn:
What are acids and alkalis? (With everyday examples!)
How to use indicators like litmus paper and universal indicator
Understanding the pH scale – from 0 (strong acid) to 14 (strong alkali)
What is a neutral substance? (Hint: pure water!)
Simple exam-style questions with clear explanations
Perfect for classroom revision, homework help, or preparing for your term exam!
Taught in clear English with Arabic support for key scientific terms.
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👩🏫 Presented by: Ms. Elham Salah
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