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Class 11th Chemistry || Menu
  • Important
    • Sample Papers
    • Revision Notes
    • MCQs
    • Chemistry Syllabus
    • Chemistry Book
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  • Myth Buster
  • Some Basic Concepts of Chemistry
    • Importance and Scope of Chemistry
    • Formulation and Calculation
    • Laws of Chemical Combination
    • Mole Concept
    • Mass and Stoichiometry
    • NCERT Solution
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  • Structure of Atom
    • Discovery of Sub-Atomic Particles
    • Planck’s Quantum Theory
    • Spectrum
    • Dual Nature
    • Electronic Configuration of Atoms
    • Quantum Mechanical Model of Atom
    • NCERT Solution
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  • Classification of Elements and Periodicity in Properties
    • Modern Periodic Law
    • Nomenclature of Elements
    • 4 Blocks in Periodic Table
    • Trends in Properties of Elements
    • Trends in Chemical Properties
    • NCERT Solutions
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  • Chemical Bonding and Molecular Structure
    • Chemical Bonding
    • Ionic Bond
    • Bond Parameters
    • Hybridization
    • Geometry and Shapes of Molecules
    • Resonance and Hydrogen Bond
    • Molecular Orbital Theory
    • NCERT Solutions
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  • States of Matter
    • Intermolecular Forces
    • Effect of Heat on Matter
    • Gas Laws
    • Ideal Gas Equation
    • Kinetic Theory
    • Properties of Liquid
    • NCERT Solutions
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  • Thermodynamics
    • Introduction to Thermodynamics
    • Measurement of dU and dH
    • Hess’s Law
    • Enthalpy Change
    • Entropy and Gibbs Energy
    • NCERT Solutions
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  • Equilibrium
    • Dynamic Nature of Equilibrium
    • Le Chatelier’s Principle
    • Ionic Equilibrium
    • Solubility Product
    • Common Ion Effect
    • Ionisation of Water
    • NCERT Solutions
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  • Redox Reactions
    • Redox Reactions
    • Oxidation Number
    • Balancing Redox Reactions
    • Electrode Potential
    • NCERT Solutions
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  • Hydrogen
    • Hydrogen and Hydrides
    • Compounds of Hydrogen
    • NCERT Solutions
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  • The s-Block Elements
    • Introduction to Group 1 Elements
    • Introduction to Group 2 Elements
    • Anomalous Behaviour
    • Important Compounds of S- Block
    • Alkali and Alkaline Metal Compounds
    • NCERT Solutions
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  • The p-Block Elements
    • Introduction to p- Block Elements
    • Properties of Boron
    • Compounds of p- Block Elements
    • Group 14 Elements
    • Allotropes of Carbon
    • Silicon and Its Compounds
    • NCERT Solutions
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  • Organic Chemistry
    • Classification and Nomenclature
    • Isomerism
    • Reaction Mechanism
    • Types of Organic Reactions
    • Purification of Organic Compounds
    • Analysis of Organic Compounds
    • NCERT Solutions
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  • Hydrocarbons
    • Alkanes
    • Properties of Alkanes
    • Introduction to Alkenes
    • Properties of Alkenes
    • Alkynes
    • Aromatic Hydrocarbons
    • Electrophilic Substitution Reactions
    • NCERT Questions
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  • Environmental Chemistry
    • Pollution
    • Effects of Pollution
    • NCERT Questions
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Effects of Pollution, Class 11 Chemistry NCERT Solutions

1. There will be total 10  MCQ in this test.
2. Please keep a pen and paper ready for rough work but keep your books away.
3. The test will consist of only objective type multiple choice questions requiring students to mouse-click their correct choice of the options against the related question number.
4. No negative marking for incorrect choice.
5. Please click on “Finish the Test” when you want to exit.
6. All the best – Happy Studying.

1. Ozone in the stratosphere is a product of UV radiations acting on:
 
 
 
 

Question 1 of 10

2. The main reason of ozone layer depletion is the release of:
 
 
 
 

Question 2 of 10

3. Human excreta contains bacteria which causes gastrointestinal diseases are:
 
 
 
 

Question 3 of 10

4. Earth is protected from UV radiation by a layer of:
 
 
 
 

Question 4 of 10

5. Clean water and highly polluted water have BOD:
 
 
 
 

Question 5 of 10

6. The amount of oxygen required by bacteria to break down the organic matter present in a certain volume of a sample of water is called:
 
 
 
 

Question 6 of 10

7. A synthetic toxic chemical with ecological repercussions is:
 
 
 
 

Question 7 of 10

8. Oxidation of ethene in the presence of ionic catalyst in aqueous medium produces:
 
 
 
 

Question 8 of 10

9. Industrial solid wastes are sorted out as:
 
 
 
 

Question 9 of 10

10. In winter polar Stratospheric clouds provide surface on which chlorine nitrate formed get hydrolysed to form:
 
 
 
 

Question 10 of 10

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