CBSE Class 12 Chemistry

  • CBSE Class 12 Commercial Art Compartment Question Paper 2020

    SECTION A  Instruction : Write answers for all the six parts of the given question by selecting the correct one from the given options.   1. (a) Mention the title of the painting made by painter Nuruddin from the following miniature-paintings of the Rajasthani School :   (A) Maru-Ragini   (B)...

  • CBSE Class 12 Chemistry Compartment Question Paper Solved 2020 Set A

    SECTION A Read the given passage and answer the question numbers 1 to 5 that follow :   A large number of simple molecules called monomers combine together by the process of polymerisation to form a macromolecule called polymer. If the repeating structural unit is derived from one type of monomer...

  • CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set E

    SECTION : A Read the given passage and answer the questions 1 to 5 that follow :   The halogens have the smallest atomic radii in their respective periods.   The atomic radius of fluorine is extremely small. All halogens exhibit – oxidation state. They are strong oxidising agents and have maximum...

  • CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set D

     SECTION – A Read the given passage and answer the questions 1 to 5 that follow :   Colloidal particles always carry an electric charge which may be either positive or negative. For example, when AgNO3 solution is added to KI solution, a negatively charged colloidal sol is obtained. The presence...

  • CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set C

    SECTION A Read the given passage and answer the questions number 1 to 5 that follow : The d-block of the periodic table contains the elements of the groups 3 – 12 and are known as transition elements. In general, the electronic configuration of these elements is (n – 1) d1–10 ns1–2. The d-...

CBSE Class 12 Commercial Art Compartment Question Paper 2020

 


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CBSE Class 12 Chemistry Compartment Question Paper Solved 2020 Set A

 


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CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set E

 


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CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set D

 


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CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set C

 


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CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set B

 


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CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set A

 


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NCERT Class 12 Chemistry Answers and Solutions

 
 
NCERT Class 12 Chemistry Answers and Solutions




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CBSE Class 12 Chemistry Aldehydes Ketones and Carboxylic Acids MCQs Set B

Q.1 Which of the following forces explain the boiling point of aldehydes and ketones?

Options:
(a) Hydrogen bonding        (b) van der Waal’s forces
(c) Dipole-dipole attraction (d) None of these

Answer=C


Q.2 Which is highly soluble in water?

Options:
(a) Methanal   (b) Propanal
(c) Propanone (d) Butanone

Answer=A


Q.3 Propanal and propanone, both have same molecular formula(C3H6O), what do you expect about their boiling points?

 


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CBSE Class 12 Chemistry Aldehydes Ketones and Carboxylic Acids MCQs Set A

Q.1 Which of the following contain an aldehyde?

Options:
(a) Vanilla beans (b) Meadow sweet
(c) Cinnamon     (d) All of these

Answer=D

Q.2 Which of the following have pleasant smell?

Options:
(a) Methanal (b) Propanal
(c) Ethanal   (d) Hexanal

Answer=D


Q.3 Which one of the following can be oxidised to the corresponding carbonyl compound?

Options:
(a) 2-hydroxy-propane
(b) Ortho-nitrophenol
(c) Phenol
(d) 2-methyl-2 hydroxy-propane

 


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Read the latest news and announcements from NCERT and CBSE below. Important updates relating to your studies which will help you to keep yourself updated with latest happenings in school level education. Keep yourself updated with all latest news and also read articles from teachers which will help you to improve your studies, increase motivation level and promote faster learning

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