` CHEMISTRY PROJECT ON PRESENCE OF INSECTICIDES IN FRUITS AND VEGETABLES A PROJECT REPORT Submitted by VAISHAKH MURALEEDHARAN Class: XII-A JANUARY 2015 DEPARTMENT OF CHEMISTRY SHANTINIKETAN INDIAN SCHOOL DOHA-QATAR SHANTINIKETAN INDIAN SCHOOL‚ DOHA – QATAR Affiliated to the Central Board of Secondary Education‚ Delhi. Approved by the Ministry of Education‚ State of Qatar. BONAFIDE CERTIFICATE This is to certify that this project report entitled “CHEMISTRY PROJECT ON” PRESENCE
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DESIGN OF THE QUESTION PAPER CHEMISTRY CLASS - XII Time : Three Hours Max. Marks : 70 The weightage of the distribution of marks over different dimensions of the question paper shall be as follows: A. Weightage to content/subject units Unit Title Marks 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. Solid state Solutions Electrochemistry Chemical Kinetics Surface Chemistry General principles and process of Isolation of elements p-Block Elements
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Tobias Holler Dachsteinstr.12 81825 München FCF Fox Corporate Finance GmbH Veronika Degele Maximiliansstraße 12-14 80539 München January 24‚ 2013 Dear Ms. Degele‚ After viewing your website‚ I found that you were interested in hiring an investment banking intern. I am very interested in this position with FCF Fox Corporate Finance GmbH and believe that my academic background and my personal skills are appropriate for the position. I am looking to work in this position
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SUBMISSION INSTRUCTIONS: WHAT: Printed questionnaire with the answers written in a big yellow booklet. One page per number. Paginate each page accordingly. Use different inks to distinguish the bonds of electrons for numbers involving molecular structure. WHO: All students with Student Number ending in ODD number will answer Set A while students with Student Number ending in EVEN number will answer Set B. Indicate your Student Number and the Set you are answering in front of the yellow
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1. Hydrogen Name: Hydrogen Atomic number: 1 Atomic Weight: 1.00794 grams/mole Standard state: gas at 198 K Hydrogen is the lightest Hydrogen is the lightest element. It is by far the most abundant element in the universe and makes up above 90% of Universe by weight. Hydrogen as water (H2O) is absolutely essential to life and it is present in all organic compounds. Hydrogen is lightest gas. Hydrogen gas was used in lighter-than-air balloons for transport but is far too dangerous because
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29) The structural formulas are given for these cis or trans alkenes. (a) trans-1‚2-dichloropropane (b) cis-2-pentene (c) cis-3-hexene (d) trans-2-hexene Write the structural formula for: (a) cis-1‚2-dichloropropene (b) trans-2-pentene (c) trans-3-hexene (d) cis-2-hexene 30) In each case‚ tell whether cis and trans exist. If they do‚ write the structural formulas for two isomers and label each cis or trans‚ (a) Br2CH2 : No (b) CH3CH2CH=CHCH2CH3: Yes (c) CH3CH=CHCH3:
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Name: _______________________ 7.04 Equilibrium Data and Observations: Insert data tables for each part of the lab (parts I‚ II‚ and III). Part I (2 points) Round Candies on R side Candies on P side 0 40 0 1 25 15 2 19 21 3 17 23 4 16 24 5 16 24 6 16 24 7 16 24 8 16 24 9 16 24 10 16 24 Part II (2 points) Round Candies on R side Candies on P side 0 40 0 1 38 23 2 30 32 3 27 35 4 26 36 5 25 37 6 25 37
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Chemistry 1035 – General Chemistry I Fall Semester‚ 2013 3 hours credit‚ CRN 91627 Office Hours (Randolph 144) Preston Durrill‚ Instructor M 8:00-9:00‚ 1:30-5:00 Randolph Hall‚ Room 144 Tu 9:00-11:00‚ 4:00-5:00 Office phone: 540-231-6774 W 8:00-9:00‚ 1:30-5:00 Home phone: 540-961-5179 Th 9:00-12:00‚ 4:00-5:00 e-mail: pdurrill@vt.edu F 8:00-9:00‚ 1:30-3:00 Class times: 2:00-3:15 Tuesday and Thursday in McBryde 100. Evening help sessions: Wednesdays 5:00-6:30 p.m. in Hancock
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xam 2 [pic] Summer 2011 Chemistry 1411 EXAM # 2 Activity Series of Metals in Aqueous Solution [pic] CHEM 1411 Exam # 2A Name:________________________________ (Chapters 4‚5‚6‚ and 7) Score: [pic] Part I- ( 3 points each) - Please write your correct answer next to each question number‚ DO NOT CIRCLE. ____ 1. Compare the rates of effusion of CO2 & SO2‚ rCO2/rSO2 A. CO2 will effuse 1.45 times
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CHEM 135 Take Home Exam Sp 2014 Type in the blocks and the chart will expand as needed. Good luck. Return by 5 p.m. Saturday‚ April 26‚ 2014. Thank you. Ms. Vallee 1. A. Chiral- An object that cannot lay over on its mirror image (pg291). B. Non-superimposable- A molecule that can be placed on top of its mirror image (http://www.chemeddl.org) C. enantiomer- mirror images of each other (pg292). 16. Trans Fats (http://www.heart.org/HEARTORG/GettingHealthy/FatsAndOils/Fats101/Trans-Fats_UCM_301120_Article
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