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)…
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…
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…
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…
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…
CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set B
SECTION A CHEMISTRY Read the given passage and answer the questions number 1 to 5 that follow : Organic compounds containing amine as functional group are present in a vivid variety of compounds, namely amino acids, hormones, neurotransmitters, DNA, alkaloids, dyes, etc.…
CBSE Class 12 Chemistry Boards 2020 Question Paper Solved Set A
SECTION A Read the given passage and answer the questions number 1 to 5 that follow : The substitution reaction of alkyl halide mainly occurs by SN1 or SN2 mechanism. Whatever mechanism alkyl halides follow for the substitution reaction to occur, the polarity of the carbon…