Download CBSE class 12 Chemistry practice paper 2017 for the coming CBSE board examination 2017. This practice paper is based on latest CBSE examination pattern of class 12 Chemistry. All the questions of this practice paper are from latest CBSE syllabus.
CBSE board exams 2017 are about to start from 9th March 2017 and every student of CBSE class 12 want to score maximum marks in the chemistry exam. This solved practice paper is developed by subject matter experts after the brief analysis of CBSE class 12 Chemistry question paper 2016. Some important questions from previous year CBSE papers are also included in this solved practice paper.
Some randomly selected sample questions from the complete practice paper are given below:
Time allowed: 3 hours Maximum Marks: 70
(1) All questions are compulsory.
(2) Questions number 1 to 5 are very short answer questions and carry one mark each.
(3) Questions number 6 to 10 are very short answer question and carry two marks each.
(4) Questions number 11 to 22 are also short answer question and carry three marks each.
(5) Question number 23 is a value based question and carry four marks.
(6) Questions number 24 to 26 are long answer question and carry five marks each.
(7) Use log tables, if necessary. Use of calculators is not allowed.
Question 1: Write the structure of an isomer of compound C4H9Br which is most reactive towards SN1 reaction.
Question 2: Write the basic difference between primitive unit cell and centered unit cell.
Question 3: Name two poisonous gases which can be prepared from chlorine gas.
Question 4: Write the names of monomers used for getting the following polymers:
Question 5: Express the relation among cell constant, resistance of the solution in the cell and conductivity of the solution. How is molar conductivity of a solution related to its conductivity?
Question6: Account for the following:
(i) Schottky defects lower the density of related solids.
(ii) Conductivity of silicon increases on doping it with phosphorus.
Question9: What are the products of hydrolysis of sugar?
Question10: The chemistry of corrosion of iron is essentially an electrochemical phenomenon. Explain the reactions occurring during the corrosion of iron in the atmosphere.
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