Month: June 2025
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Chemical Equilibrium Exercise: Federal Board 2nd Year Chemistry (New Syllabus)
Solutions to Multiple Choice Questions Question i Statement: Which phenomenon describes a shift in equilibrium due to the addition of an ion already involved in the equilibrium?Options:a) Is Chaichter Principleb)...
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Chapter 2 Electrochemistry – 2nd Year Chemistry | Federal Board New Book
MCQs i. Which of the following elements is reduced in the reaction? Reaction: 2Na + Cl₂ → 2NaClOptions:a) Nab) Clc) Both Na and Cld) Neither Na nor Cl ✅ Correct...
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Ethics and Values in Chemistry: Unit 1 Solved Exercises | 2nd Year Federal Board New Book
Short Answer Questions: i. Define cognitive bias. Answer: Cognitive bias is a systematic error in thinking that influences judgments and decisions based on personal experiences, emotions, or subconscious preferences rather...
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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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Ethics and Values in Chemistry: Unit 1 MCQs Solved | Federal Board FSc Part 2 New Book
Question i: Statement:What is cognitive bias? Options:a) The process of making decisions based on logical reasoning.b) The tendency to make decisions based on personal characteristics and beliefs.c) The evaluation of...
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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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Hydrogen Bonding MCQs with Answers & Explanations MDCAT practice
1. Which of the following best explains why HF has a higher boiling point than HCl, despite HCl having a higher molecular weight? A) HF has stronger London dispersion forces.B)...
