Class 9th Atoms and Molecules LOD - 3 For Entrance

Description

🧪 Quiz Title: Atoms and Molecules – Level of Difficulty 3 For Entrance

Subject: Science | Class: 9
Chapter: Atoms and Molecules
Level: LOD – 3 (Advanced / Entrance Preparation)

⚙️ Quiz Format:

• Total Questions: 40

• Question Type: MCQs (Conceptual + Numerical)

• Difficulty Level: High (LOD–3)

• Time Limit: 30 minutes

  🧭 Topics Covered:

  1. Laws of Chemical Combination (Mass & Constant Proportion)

  2. Dalton’s Atomic Theory – Applications & Exceptions

  3. Mole Concept and Avogadro’s Number

  4. Molecular Mass, Molar Mass, and Formula Calculations

  5. Stoichiometry and Quantitative Relationships

  6. Advanced Numerical Problems

     📘 Description:

     This quiz is specially designed for advanced learners preparing for NTSE, Olympiads, and other entrance-level exams. It focuses on higher-order thinking questions from the chapter “Atoms and Molecules.”
     The questions test your concept clarity, problem-solving speed, and numerical accuracy beyond textbook level.

     🎯 Learning Objectives:

     By taking this quiz, students will be able to:

     • Apply the Laws of Chemical Combination in complex scenarios.

     • Use Dalton’s Atomic Theory and chemical formulae to solve analytical problems.

     • Calculate molecular masses, number of moles, and number of particles using Avogadro’s Law.

     • Strengthen the understanding of mole concept and stoichiometric calculations.

     • Prepare for competitive exams that require conceptual depth and speed.