ICSE Class X Chemistry Practice Questions
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Questions and Answers

Which compound has the highest number of covalent bonds among the given options?

  • NH3
  • H2O
  • CCl4 (correct)
  • Cl2
  • What is the correct order of the given compounds based on increasing number of covalent bonds?

  • Cl2 < NH3 < H2O < CCl4 (correct)
  • NH3 < H2O < Cl2 < CCl4
  • CCl4 < H2O < NH3 < Cl2
  • H2O < NH3 < CCl4 < Cl2
  • Which type of compound is associated with the presence of hydroxyl groups?

  • Carboxylic acids
  • Alcohols (correct)
  • Aldehydes
  • Hydrocarbons
  • In terms of oxidative properties, which of the following can act as a reducing agent?

    <p>Ammonium chloride</p> Signup and view all the answers

    Which of the following compounds contains a carbon-oxygen double bond?

    <p>Formaldehyde</p> Signup and view all the answers

    Which of the following is a characteristic feature of saturated hydrocarbons?

    <p>They only consist of single bonds</p> Signup and view all the answers

    How many total covalent bonds are present in D, the compound represented by NH3?

    <p>3</p> Signup and view all the answers

    Which of the following compounds has the lowest molecular weight?

    <p>NH3</p> Signup and view all the answers

    What compound is represented by the formula 2-methyl-1-butene?

    <p>C4H8</p> Signup and view all the answers

    Which of the following is a characteristic of butanoic acid?

    <p>High boiling point</p> Signup and view all the answers

    What is the main product of the reaction between acetic acid and cooling below 16.5°C?

    <p>Crystalline acetic acid</p> Signup and view all the answers

    Which statement best describes hydrogen chloride?

    <p>Highly soluble in moist air</p> Signup and view all the answers

    Which of the following is a property of aluminum oxide?

    <p>Stable and cannot be reduced by common reducing agents</p> Signup and view all the answers

    Which reaction produces a white precipitate?

    <p>H2SO4 + BaCl2</p> Signup and view all the answers

    What happens to ammonia yield when the temperature is increased in an exothermic reaction?

    <p>Yield decreases</p> Signup and view all the answers

    Which chemical equation represents the combustion of sugar with concentrated sulfuric acid?

    <p>C12H22O11 + H2SO4 → C + H2O</p> Signup and view all the answers

    What type of reaction occurs at the anode during the electrolysis of acidulated water?

    <p>OH- - e- → OH, [4OH] → 2H2O + O2</p> Signup and view all the answers

    Which of the following options best explains why the bulb did not light up during the heating of lead bromide?

    <p>Molten lead bromide does not conduct electricity.</p> Signup and view all the answers

    Which element from the periodic table shown would likely have the smallest atomic size?

    <p>Ne</p> Signup and view all the answers

    Which statement correctly describes the electrical conductivity of ionic compounds in their solid state?

    <p>They do not conduct electricity at all.</p> Signup and view all the answers

    Which group in the periodic table typically forms basic oxides?

    <p>Group IIA</p> Signup and view all the answers

    In which state do ionic compounds primarily exhibit conductivity?

    <p>Dissolved in water</p> Signup and view all the answers

    What type of bond forms between element Y in Group IIA and element Q to create an ionic compound?

    <p>Ionic bond</p> Signup and view all the answers

    Which of the following statements is true regarding the electrolysis of water?

    <p>It produces hydrogen gas at the cathode and oxygen at the anode.</p> Signup and view all the answers

    Study Notes

    Preface

    • The educational landscape in India is shifting towards competency-based education.
    • Competency-based learning emphasizes critical thinking and problem-solving.
    • CISCE has developed competency-focused practice questions for ICSE Class X Chemistry to build these skills.
    • The questions are designed to help teachers develop their own competency-focused question bank and to help students prepare for higher-order thinking questions in future examinations.
    • The questions cover understanding, analysis, application, evaluation, and creativity. Some also include higher-order recall.

    Table of Contents

    • The document contains practice questions categorized by question type.
    • The questions are organized into Multiple-Choice, Fill-in-the-Blanks, Match the Following, One-Word, Structural Diagram, IUPAC Names, Very Short Answer, Short Answer, and Long Answer questions.
    • Page numbers are included to help navigate to specific question sections.

    Chemistry Practice Questions

    • The document provides a set of practice questions covering topics in Chemistry for ICSE Class X.
    • Each question includes the domain of the cognitive learning domain addressed by that particular question.
    • Sample questions are available from various chapters in the subject.
    • Sample questions are given, and the solutions are also provided at the end of the book.

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    Description

    This quiz focuses on competency-based learning for ICSE Class X Chemistry. It includes a variety of question types to enhance critical thinking and problem-solving skills among students. The practice questions are carefully designed to prepare students for higher-order thinking in examinations.

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