HS First Year

Class 11 Chemistry Chapter 1: Some Basic Concepts of Chemistry 50 MCQs with Explanation

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Here are 50 MCQs for Class 11 Chemistry Chapter 1 (Some Basic Concepts of Chemistry) based on NCERT syllabus, with answers and explanations: 1. Which of the following is a pure substance? a) Milkb) Sea waterc) 24-carat goldd) SoilCorrect Answer: cExplanation: 24-carat gold is elemental gold without impurities, making it a pure substance. 2. The … Read more

Multiple Choice Questions (MCQ) on Chemistry Chapter 1: Some Basic Concepts of Chemistry

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Here’s a set of multiple-choice questions (MCQs) for Class 11 Chemistry Chapter 1, “Some Basic Concepts of Chemistry.” These questions will help you assess your understanding of key concepts in this chapter.  Some Basic Concepts of Chemistry MCQs with Answers 1. Which of the following is NOT a fundamental principle of chemistry? a) Law of conservation … Read more