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CLASS 12th  SAMPLE QUESTIONS  (2014) The Jharkhand Academic Council was established for holding and conducting examinations at the end of Intermediate, Education, Secondary Education, Sanskrit Education and Madrasa Education and for prescribing courses of studies for such examinations and for recommending for recognition of Intermediate Educational Institutions, High Schools, Sanskrit Schools and Madrasas to the State Government and for carrying out such other or duties assigned to the council by the State Govt from time to time. Jharkhand Academic Council_SAMPLE QUESTIONS 12th_chemistry_jharkhand_board.        Download File 12th_maths_jharkhand_board.rar       Download File 12th_physics_jharkhand_board.rar      Download File 12th_model_questions_paper_jharkhand_board_2014 Download File

1. To study the following properties of acetic acid (ethanoic acid) : i) odour ii) solubility in water iii) effect on litmus iv) reaction with sodium bicarbonate 2. To study saponification reaction for preparation of soap. 3. To study the comparative cleaning capacity of a sample of soap in soft and hard water. 4. To determine the focal length of i. Concave mirror and ii. Convex lens by obtaining the image of a distant object. 5. To trace the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Measure the angle of incidence, angle of refraction, angle of emergence and interpret the result. 6. To study (a) binary fission in Amoeba and (b) budding in yeast with the help of prepared slides. 7. To trace the path of the rays of light through a glass prism. 8. To draw the images of an object formed by a convex lens when placed at various positions. 9. To study homology and analogy with the help

MCQ’S Based on : Aldehydes, Ketones and Haloalkanes Q01. The general molecular formula of aldehydes and ketones is 1) CnH2n-1.O 2) CnH2nO 3) CnH2n+2O 4) CnH2n+4O Q02. Aldehyde functional group can occur 1) Any where in the carbon chain 2) In the middle of the carbon chain 3) Only at the second carbon atom 4) only at either end carbon atom of the chain Q03. Propan-2-ol on treatment with copper at 3000c forms 1) Acetone 2) Acetaldehyde 3) Ethane 4) Both 1 and 2 Q04. Which of the following is correct? 1) Aldehydes undergo Cannizzaro’s reaction 2) Aldehydes are less susceptible to oxidation than ketones 3) Aldehydes are more susceptible to oxidation than ketones 4) Formaldehyde forms CuO with Fehling’s solution Q05. IUPAC