CBSE Class 11 Chemistry

  • CBSE Class 11 Chemistry Some Basic Concepts of Chemistry MCQs Set B

      Question: A mixture of sand and iodine can be separated by a) sublimation b) crystallisation c) distillation d) fractionation Answer: sublimation   Question: Difference in density is the basis of a) gravity separation b) molecular sieving c) ultrafiltration d) molecular attraction Answer: ...

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  • CBSE Class 11 Chemistry Structure of Atom MCQs Set B

      Question: Which of the scientist were able to prove that atom is no longer non-divisible? a) Michael Faraday b) Chadwick c) Dalton d) Thomson Answer: Michael Faraday   Question: Which of the following is never true for cathode rays ? a) They are electromagnetic waves. b) They produce heat. c...

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  • CBSE Class 11 Chemistry Classification of Elements and Periodicity in Properties MCQs

      Question: Periodic classification of elements is used to examine the a) Both b) periodic trends in physical properties of elements c) periodic trends in chemical properties of elements d) None of these Answer: Both   Question: Cl, Br, I, if this is Dobereiner’s triad and the atomic masses of...

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  • CBSE Class 11 Chemistry Chemical Bonding and Molecular Structure MCQs

      Question: The attractive force which holds various constituents (atoms, ions etc.) together in different chemical species is called a a) chemical bond b) ionic bond c) chemical compound d) covalent bond Answer: chemical bond   Question: The evolution of various theories of valence and the...

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  • CBSE Class 11 Chemistry States of Matter MCQs Set B

      Question: Which of the following is not a type of van der Waal'sforces? a) Ion - dipole forces b) London forces c) Dipole - induced dipole forces d) Dipole - dipole forces Answer: Ion - dipole forces   Question: Who proposed the concept of dispersion force ? a) Fritz London b) van der Waal c...

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CBSE Class 11 Chemistry Some Basic Concepts of Chemistry MCQs Set B

 

Question: A mixture of sand and iodine can be separated by

  • a) sublimation
  • b) crystallisation
  • c) distillation
  • d) fractionation

Answer: sublimation

 

 


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CBSE Class 11 Chemistry Structure of Atom MCQs Set B

 

Question: Which of the scientist were able to prove that atom is no longer non-divisible?

  • a) Michael Faraday
  • b) Chadwick
  • c) Dalton
  • d) Thomson

Answer: Michael Faraday

 

 


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CBSE Class 11 Chemistry Classification of Elements and Periodicity in Properties MCQs

 

Question: Periodic classification of elements is used to examine the

  • a) Both
  • b) periodic trends in physical properties of elements
  • c) periodic trends in chemical properties of elements
  • d) None of these

Answer: Both

 

 


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CBSE Class 11 Chemistry Chemical Bonding and Molecular Structure MCQs

 

Question: The attractive force which holds various constituents (atoms, ions etc.) together in different chemical species is called a

  • a) chemical bond
  • b) ionic bond
  • c) chemical compound
  • d) covalent bond

Answer: chemical bond

 

 


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CBSE Class 11 Chemistry States of Matter MCQs Set B

 

Question: Which of the following is not a type of van der Waal'sforces?

  • a) Ion - dipole forces
  • b) London forces
  • c) Dipole - induced dipole forces
  • d) Dipole - dipole forces

Answer: Ion - dipole forces

 

 


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CBSE Class 11 Chemistry Thermodynamics MCQs

 

Question: Thermodynamics is not concerned about

  • a) the rate at which a reaction proceeds
  • b) the feasibility of a chemical reaction
  • c) the extent to which a chemical reaction proceeds
  • d) energy changes involved in a chemical reaction

Answer: the rate at which a reaction proceeds

 

 


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CBSE Class 11 Chemistry Chemical Equilibrium MCQs Set B

 


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CBSE Class 11 Chemistry Redox Reactions MCQs

 

Question: Which of the following process takes place in oxidation process?

  • a) Addition of oxygen
  • b) Addition of hydrogen
  • c) Addition of chlorine
  • d) Removal of oxygen

Answer: Addition of oxygen

 

 


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CBSE Class 11 Chemistry Hydrogen MCQs

 


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CBSE Class 11 Chemistry s Block Elements MCQs Set B

 

Question: Group 2 elements are called alkaline earth metals why? Choose the correct reason(s).

(i) Hydroxides formed by group 2 elements are alkaline in nature.
(ii) Their metal oxides are found in the earth’s crust.
(iii) Their oxides are alkaline in nature
(iv) Group 2 elements react with alkalies

 


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