*8621469522* COMBINED SCIENCE CO-ORDINATED SCIENCES Paper 6 Alternative to Practical 0653/06 0654/06 May/June 2009 1 hour Candidates answer on the Question paper No Additional Materials are required. READ THESE INSTRUCTIONS FIRST Write your Centre number‚ candidate number and name on all the work you hand in. Write in dark blue or black pen. You may use a soft pencil for any diagrams‚ graphs‚ tables or rough working. Do not use staples‚ paper clips‚ highlighters‚ glue or correction fluid. DO NOT
Premium Oxygen Hydrogen peroxide Sulfuric acid
guess paper 1. Express the rate of following reaction in terms of disappearance of hydrogen in the reaction. 3H2(g) + N2(g) 2NH3(g) 2. What is peptisation? 3. Write Reimer Tiemann reaction. 4. Why is CO stronger ligand that Cl-. 5. Write structure of 2-(2-Bromophenyl)butane. 6. Complete the reaction C6H6+R COCl 7. Why pentahalides more covalent than trihalides? 8. What is difference between nucleoside and nucleotide? 9. Explain the following- (a) Gattermann Koch
Premium Oxide Iron Oxygen
IGCSE Accounting Teacher’s guide Edexcel IGCSE in Accounting (4AC0) First examination 2011 Edexcel‚ a Pearson company‚ is the UK’s largest awarding body‚ offering academic and vocational qualifications and testing to more than 25‚000 schools‚ colleges‚ employers and other places of learning in the UK and in over 100 countries worldwide. Qualifications include GCSE‚ IGCSE‚ AS and A Level‚ NVQ and our BTEC suite of vocational qualifications from entry level to BTEC Higher National Diplomas
Premium 2008 1979 1980
Surname Centre No. Initial(s) Signature Candidate No. Paper Reference(s) 4335/1F Examiner’s use only London Examinations IGCSE Team Leader’s use only Chemistry Paper 1F Foundation Tier Monday 9 May 2005 – Morning Time: 1 hour 30 minutes Materials required for examination Nil Items included with question papers Nil Question Leave Number Blank 1 2 3 4 5 6 7 8 9 Instructions to Candidates In the boxes above‚ write your centre number and candidate
Premium Carbon dioxide Sulfuric acid Ammonia
To what extent is the marketing strategy of Swatch different to Omega Content P3 ------------------------------------ Introduction P4 ------------------------------------ Theory P6 ------------------------------------ Research Plan P7 ------------------------------------ Questionnaire P8 ------------------------------------ Target Market P9 ------------------------------------ Product P12 ---------------------------------- Price P13 ---------------------------------- Place P15 ----------------------------------
Premium Marketing
IB CHEMISTRY Unit 6: KINETICS STANDARD LEVEL: Number Objective Rates of Reaction Define the term rate of reaction. Describe suitable experimental procedures for measuring rates of reactions. Analyze data from rate experiments. Students should be familiar with graphs of changes in concentration‚ volume and mass against time. Collision Theory Describe the kinetic theory in terms of the movement of particles whose average energy is proportional to the temperature in Kelvins. Define the term activation
Free Chemical kinetics Chemical reaction Rate equation
that you have the notes. 2Listen to the teacher’s explanation throughout the whole year‚ in case you forget what something means. 3After mid year examinations‚ work on improving your grades. (E.g.: if you get a C in physics(or biology or chemistry) work on getting at least a B; B in maths TRY to work harder for getting an A and so on) Note: English is a language that you can’t study. The only thing you can do is keep on reading stories‚ books‚ magazines‚ newspapers etc... 4Keep it in your
Free Study skills Learning Homework
No. Initial(s) Paper Reference 3 1 8 5 Candidate No. 2 F Signature Paper Reference(s) 3185/2F Examiner’s use only Edexcel GCSE (Short Course) Team Leader’s use only Information & Communication Technology Paper 2F Question Leave Number Blank A 1 Foundation Tier B1 2 Tuesday 20 May 2008 – Afternoon Time: 1 hour B3 4 B2 3 B4 5 6 Materials required for examination Nil Items included with question papers Case Study 7 8 9
Premium Input device Computer Word processor
ORGANIC CHEMISTRY Carbon atoms: * Carbon-carbon bonds are not easily broken * Each carbon atom forms 4 covalent bonds * The C-H bond is almost non-polar Classifying organic compounds: * Number of carbon atoms in longest chain: meth‚ eth‚ prop‚ but‚ pent‚ hex‚ hept‚ oct‚ non‚ dec * If it is a branch: -yl; di‚ tri or tetra means there is more than one branch‚ ethyl means there are 2 carbons coming off the branch * If it is a ring of carbons put cyclo at the front of the
Premium Chemical bond Oxygen Atom
IGCSE Songs of Ourselves Poetry anthology 2009-2011 The Grange School English Department The Voice Thomas Hardy Woman much missed‚ how you call to me‚ call to me‚ Saying that now you are not as you were When you had changed
Premium Moon