1st year Chemistry
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Mnemonics for Ionization Energy Trends and Exceptions in the Periodic Table
Ionization energy Mnemonics to remember: 1. Definition of Ionization Energy Mnemonic: “Ionization = Input of Energy to Remove an Electron”Think of: “I Remove e⁻” → Ionization! Meaning:Ionization energy is the...
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Unit 2 Matter Solved Exercise 10th Federal board
Short Questions i. Explain why the temperature remains constant during the phase change from ice to water. Answer:The temperature remains constant during the melting of ice because the heat energy...
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Unit 2 Matter class 10th new Federal board Solved Mcqs
MCQs with Answers and Explanations 1. When a gas changes directly into a solid, the process is called: a) Evaporationb) Condensationc) Sublimationd) Deposition ✅ Explanation:Deposition is the direct conversion of...
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Federal Board Class 10th Chemistry (New Book) – Chapter 1: History of Chemistry Exercise Solved
MCQS i. What is the principle of conservation of mass? Options:a) Mass is created during a chemical reactionb) Mass is destroyed during a chemical reactionc) Mass remains constant during a...
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Word and Letter Series in Logical Reasoning (Lecture 1)
Introduction Logical reasoning is a fundamental skill tested in various competitive exams, aptitude tests, and assessments. One of the key components of logical reasoning is the Letter Series, where candidates...
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Entrepreneurship – Class 9 Solved Exercises | Complete Guide
MCQs 1. What is entrepreneurship? a) The process of starting a new business or organization ✅b) The process of buying and selling stocksc) The process of working for a large...
