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HIMACHAL PRADESH MAR 2008 :Science And Technology (Theory)

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SCIENCE & TECHNOLOGY (PRACTICAL) Time Allowed : 3 Hrs M. Marks 25 PART - I Note : Attempt any three questions. Each question carries equal marks. Q. 1. Find out the pH of the following by using pH paper/universal indicator. a) Dilute hydrochloric acid (HCl) b) Lemon Juice 7 Q. 2. Trace out the path of a ray of light passing through a rectangular glass slab for different angles of incidence. Also measure the angle of incidence, angle of refraction, angle of emergence and interpret the result. 7 Determine the equivalent resistance of two resistors when connected in parallel. 7 Q. 3 Q. 4. Prepare a temporary mount of a leaf peel to show stometa. Q. 5. Observe the action of Zn, Fe and Cu metals on the following salt solutions. i) ZnSO4 (aq) ii) FeSO4 (aq) iii) CuSO4 (aq) Also arrange Zn, Fe and Cu in the decreasing order of reactivity based on the above result. 7 Q. 6. i) ii) iii) Viva Practical Note Book Model / Chart PART - II 32 7 2 1 1

 

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Additional Info : Model Question Papers Of Matric Examination March 2008 Science And Technology (Theory)
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