SYLLABUS CHEMISTRY (043) CLASS-XII – (2012-13) Annexure - ‘ I ’ S.No. 1. 2. 3. 4. Type of Question Long Answers (LA) Short Answers-II (SA II) Short Answers-I (SA-I) Very Short Answer (VSA) Total Marks for No. of Total Marks each Question Questions 5 3 2 1 3 9 10 08 30 15 27 20 08 70 Weightage 4 5 5 5 4 3 8 5 3 4 4 6 4 4 3 3 70 Total: S.No. UNIT 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
Premium Chemistry Chemical reaction Reaction rate
PAGE NO.121(CHAPTER-9 CHEMISTRY PRACTICALS) Q4.How would you distinguish between the following: a)Calcium nitrate and lead nitrate using ammonium hydroxide Ans: Add ammonium hydroxide to the given substance‚ calcium nitrate does not form any ppt. with ammonium hydroxide. But lead nitrate forms chalky white ppt. With ammonium hydroxide b)Calcium nitrate and lead nitrate using sodium hydroxide solution Ans: Add sodium hydroxide to the given substance‚ Calcium nitrate forms milky white ppt
Free Sodium hydroxide Ammonia Sodium chloride
Taylor Harvey Mrs. Thompsen IB Junior English 23 January 2013 In The Crucible‚ Author Arthur Miller creates tension within the characters in order to show the readers that the characters are conflicting. Tension is shown when characters cut each other off in mid-sentence‚ “why‚ that’s not necessary” (40). Also when they get cut off while talking they get frustrated and over whelmed with each other. Tension between the characters is also developed through lies. When Abigal willingly drinks the
Premium The Crucible Salem witch trials Lie
Industry Code Of Practice On Indoor Air Quality 2010 INDUSTRY CODE OF PRACTICE ON INDOOR AIR QUALITY 2010 DEPARTMENT OF OCCUPATIONAL SAFETY AND HEALTH MINISTRY OF HUMAN RESOURCES‚ MALAYSIA JKKP DP(S) 127/379/4-39 Jabatan Keselamatan Dan Kesihatan Pekerjaan (JKKP) a Industry Code Of Practice On Indoor Air Quality 2010 b Jabatan Keselamatan Dan Kesihatan Pekerjaan (JKKP) Industry Code Of Practice On Indoor Air Quality 2010 PREFACE This Industry Code of Practice is
Premium HVAC Indoor air quality Occupational safety and health
1) What is the purpose of ice or cold water? To cool down the gas so that it condenses and turns into a liquid. 2) when the gas collecting tube is upside down‚ give a property of this gas. It is less dense than air. 3) Why is a pencil used in drawing the origin line in chromatography? If pen was used‚ it will dissolve giving colours and so‚ the experiment won’t be accurate. Pencil doesn’t interfere with the results. 4) When using ethanol‚ give a better apparatus arrangement‚ and why? Cover
Premium Sulfuric acid Hydrochloric acid Acid
The Supporting People programme RESEARCH PAPER 12/40 16 July 2012 The Supporting People programme was launched in 2003 as a £1.8 billion ring fenced grant to local authorities intended to fund services to help vulnerable people live independently. The level of the grant was reduced in subsequent years‚ and in the 2010 Spending Review the Government announced that the Supporting People national funding levels would decrease from £1.64 billion in 2010/11 to £1.59 billion in 2014/15. In 2009‚ the
Premium Local government
Economics IA Commentary Coversheet Economics Commentary Number: | HL Number 1 | Title of Extract: | UK Unemployment | Source of Extract: | HRM – Human Resource Management | Date of Extract: | 11th of November 2009 | Word Count: | 661 | Date Commentary was written: | 28/11/2009 | Section of Syllabus that the Commentary relates to: | Section 3.5 - Unemployment | Candidate Name: | Yuriy Boldyrev | Candidate Number: | 001124003 | *Note: Commentaries should be read in chronological
Free Unemployment Economics
Chemistry and Matter Rich McConnell‚ CH-201 Grantham University Chemistry and Matter 1. A scientist who is trying to make an insecticide that is more toxic to mosquitoes than to humans would be involved in ________. 1. Basic research 2. Applied research 3. Technology 4. Serendipity 2. How is chemistry defined? Science can be looked at like at tree‚ within this tree there are different branches one of which is Chemistry which studies composition and properties of matter and the changes they go through
Premium Water Atom Chemistry
computer ------------------------------------------------- Computational chemistry From Wikipedia‚ the free encyclopedia Computational chemistry is a branch of chemistry that uses principles of computer science to assist in solving chemical problems. It uses the results of theoretical chemistry‚ incorporated into efficient computer programs‚ to calculate the structures and properties of molecules and solids. Its necessity arises from the well-known fact that apart from relatively recent results
Premium Quantum mechanics Chemistry Molecule
Chemistry in the Movies Assignment (25 Points Extra Credit) This project will explore the public perception of chemistry. Each participating student will analyze a movie. Movies may be selected from the list on the following page or the student may find analyze any other academically acceptable movie with a chemist or chemical theme. All reviews will use academically acceptable language‚ spelling‚ and grammar and be 400 words minimum. For each movie‚ the student
Premium Invisibility