A level chemistry exam - Study guides, Class notes & Summaries

Board of Cosmetology (PSI) Written Exam Prep| Q-Bank| Questions With Verified Answers ( Pass 2024| Graded A Store disinfected implements in? (Ans: - Clean, dry & cover containers The chemical process whereby cells are nourished & carry out their activities is? (Ans: - Metabolism Study of the structure, function, & diseases of the muscles? (Ans: - Myology Muscles that control movement of fingers & hand? (Ans: - Muscles of the forearm The federal agency that regulates & enforces...

AQA A LEVEL CHEMISTRY PAPER 1 June 2024 Exam Questions and Answers

OCR A Level Chemistry exam with 100% complete guide

A LEVEL CHEMISTRY EXAM WITH COMPLETE SOLUTIONS   alkali - A type of base that dissolves in water forming hydroxide ions, OH- (aq) ions. alkanes - The homologous series with the general formula: CnH2n+2. alkyl group - An alkane with a hydrogen atom removed, e.g. CH3, C2H5; alkyl groups are often shown as 'R'. amount of substance - The quantity whose unit of the mole. Chemists use 'amount of substance' as a means of counting atoms. anhydrous - A substance tha...

Test for carbonates - correct answer - add dilute HCL - it makes carbon dioxide test for carbon dioxide by bubbling it through lime water Test for ammonium ions - correct answer -add sodium hydroxide -warm the mixture -hover damp red litmus paper over it , if it turns blue the ions are present Test for sulphate ionz (SO4 2-) - correct answer - add dilute HCL - then add BaCl2 - BaSO4 is made which is insoluble in water so a white precipitate will be formed Test for Halides (Cl-,...

OCR A Level Chemistry Exam With Verified Solutions...

Relative atomic mass - Ans .The average mass of an atom of an element, relative to 1/12th of the mass of an atom of Carbon-12 Relative molecular mass - Ans .Average mass of a molecule compared to 1/12th of the mass of a carbon-12 atom The Avogradro constant - Ans .the number of particles in a mole ideal gas equation - Ans .pV = nRT empirical formula - Ans .the simplest whole number ratio of atoms of each element in a compound percentage atom economy - Ans .(Mass of desired produ...

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OCR A Level Chemistry Exam Questions With 100% Correct Answers Acid - answerA species that is a proton donor. activation energy - answerThe minimum amount of kinetic energy that particles need to have in order to react when they collide addition polymer - answerA very long molecular chain formed by repeated addition reactions of many unsaturated alkene molecules (monomers). addition polymerisation - answerThe process in which unsaturated alkene molecules (monomers) add on to a growing po...

A Level Chemistry Paper 1, 2 & 3 Chemistry Exam 2022 Updated Version Quantitative analysis Read through the whole method before starting any practical work. Where appropriate, prepare a tablefor your results in the space provided. Showy i ourworkingandappropriatesignificantfiguresinthefinalanswertoeachstepofyourcalculations. 1 Bleachismadebyreactingchlorinewithacoldsolutionofsodiumhydroxide.Thisreactionproduces sodium chlorate(I), NaClO. Cl2(aq) + 2NaOH(aq) NaCl O(aq) + NaCl (aq)...