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OCR A LEVEL JUNE 2022 CHEMISTRY A PAPER 3 EXAM QUESTION PAPER
OCR A LEVEL JUNE 2022 CHEMISTRY A PAPER 3 EXAM QUESTION PAPER
- Exam (elaborations)
- • 22 pages •
OCR A LEVEL JUNE 2022 CHEMISTRY A PAPER 3 EXAM QUESTION PAPER
OCR A LEVEL JUNE 2022 CHEMISTRY A PAPER 2 EXAM QUESTION PAPER
OCR A LEVEL JUNE 2022 CHEMISTRY A PAPER 2 EXAM QUESTION PAPER
- Exam (elaborations)
- • 34 pages •
OCR A LEVEL JUNE 2022 CHEMISTRY A PAPER 2 EXAM QUESTION PAPER
OCR A Level Math Exam Questions and Mark Scheme
OCR A Level Math Exam Questions and Mark Scheme 1. i. The first three terms of an arithmetic progression are 2x, x + 4 and 2x − 7 respectively. Find the value of x. [3] ii. The first three terms of another sequence are also 2x, x + 4 and 2x − 7 respectively. a. Verify that when x = 8 the terms form a geometric progression and find the sum to infinity in this case. [4] b. Find the other possible value of x that also gives a geometric progression. [4] 2. Sarah is carrying out a seri...
- Exam (elaborations)
- • 35 pages •
OCR A Level Math Exam Questions and Mark Scheme 1. i. The first three terms of an arithmetic progression are 2x, x + 4 and 2x − 7 respectively. Find the value of x. [3] ii. The first three terms of another sequence are also 2x, x + 4 and 2x − 7 respectively. a. Verify that when x = 8 the terms form a geometric progression and find the sum to infinity in this case. [4] b. Find the other possible value of x that also gives a geometric progression. [4] 2. Sarah is carrying out a seri...
OCR A Level Chemistry Exam Questions and Mark Scheme 2
OCR A Level Chemistry A (H432) Chemistry B (H433) PAG 5: Synthesis of an organic liquid Practice Exam Questions and Mark Scheme 1. Ethanol is oxidised to ethanoic acid using acidified potassium dichromate(IV) solution. The reaction is heated under reflux using the equipment shown in the diagram below. What is the reason for heating under reflux? A. to ensure even heating B. to prevent any substances escaping C. to boil the mixture at a higher temperature D. to allow efficient mixing Yo...
- Exam (elaborations)
- • 18 pages •
OCR A Level Chemistry A (H432) Chemistry B (H433) PAG 5: Synthesis of an organic liquid Practice Exam Questions and Mark Scheme 1. Ethanol is oxidised to ethanoic acid using acidified potassium dichromate(IV) solution. The reaction is heated under reflux using the equipment shown in the diagram below. What is the reason for heating under reflux? A. to ensure even heating B. to prevent any substances escaping C. to boil the mixture at a higher temperature D. to allow efficient mixing Yo...
OCR A Level Chemistry Exam Questions and Mark Scheme 4
OCR A Level Chemistry A (H432) Chemistry B (H433) PAG 2: Acid-base titration Exam Questions and Mark Scheme 1. The equation for the reaction of aqueous phosphoric(V) acid, H3PO4, with aqueous sodium hydroxide, NaOH(aq) is shown below. H3PO4(aq) + 3NaOH(aq) → Na3PO4(aq) + 3H2O(l) 25.0 cm3 of a 0.200 mol dm−3 H3PO4(aq) is titrated with 0.600 mol dm−3 NaOH(aq). Which statement is correct? A. The end point occurs when 25.00 cm3 of NaOH(aq) has been added. B. The end point occurs when ...
- Exam (elaborations)
- • 19 pages •
OCR A Level Chemistry A (H432) Chemistry B (H433) PAG 2: Acid-base titration Exam Questions and Mark Scheme 1. The equation for the reaction of aqueous phosphoric(V) acid, H3PO4, with aqueous sodium hydroxide, NaOH(aq) is shown below. H3PO4(aq) + 3NaOH(aq) → Na3PO4(aq) + 3H2O(l) 25.0 cm3 of a 0.200 mol dm−3 H3PO4(aq) is titrated with 0.600 mol dm−3 NaOH(aq). Which statement is correct? A. The end point occurs when 25.00 cm3 of NaOH(aq) has been added. B. The end point occurs when ...
Pearson Edexcel GCSE in Geography, Specification A 1GA0 paper 03 Set 2
Pearson Edexcel GCSE in Geography, Specification A 1GA0 03 Resource Set 2 Geographical Investigations: Unfamiliar Fieldwork Either (Rivers) Investigating physical environments 1 A group of students was collecting data along the length of a river as part of an investigation into changes in a river channel. (a) The students had planned to use a flow meter to measure the velocity of the river, but one of their chosen sites was too shallow. State one way they...
- Exam (elaborations)
- • 41 pages •
Pearson Edexcel GCSE in Geography, Specification A 1GA0 03 Resource Set 2 Geographical Investigations: Unfamiliar Fieldwork Either (Rivers) Investigating physical environments 1 A group of students was collecting data along the length of a river as part of an investigation into changes in a river channel. (a) The students had planned to use a flow meter to measure the velocity of the river, but one of their chosen sites was too shallow. State one way they...
Pearson Edexcel A-level Economics A Theme 3 Business behaviour and the labour market
Pearson Edexcel A-level Economics A Theme 3 Business behaviour and the labour market This Answers document provides suggestions for some of the possible answers that might be given for the questions asked in the workbook. They are not exhaustive and other answers may be acceptable, but they are intended as a guide to give teachers and students feedback. The student responses (green text) for the longer essay-style questions are intended to give some idea about how the exam questions might...
- Exam (elaborations)
- • 112 pages •
Pearson Edexcel A-level Economics A Theme 3 Business behaviour and the labour market This Answers document provides suggestions for some of the possible answers that might be given for the questions asked in the workbook. They are not exhaustive and other answers may be acceptable, but they are intended as a guide to give teachers and students feedback. The student responses (green text) for the longer essay-style questions are intended to give some idea about how the exam questions might...
Pearson Edexcel GCSE in Geography, Specification A 1GA0 paper 03
Additional Assessment Materials Summer Pearson Edexcel GCSE in Geography, Specification A 1GA0 03 Resource Set 1 Geographical Investigations: Familiar Fieldwork Either (Rivers) Investigating physical environments 1 You have studied a river as part of your own fieldwork. (e) Evaluate the reliability of your conclusions (8) or (Coasts) 2 You have studied a coastal area as part of your own fieldwork. (e) Evaluate the reliability of your conclusions (8) ...
- Exam (elaborations)
- • 11 pages •
Additional Assessment Materials Summer Pearson Edexcel GCSE in Geography, Specification A 1GA0 03 Resource Set 1 Geographical Investigations: Familiar Fieldwork Either (Rivers) Investigating physical environments 1 You have studied a river as part of your own fieldwork. (e) Evaluate the reliability of your conclusions (8) or (Coasts) 2 You have studied a coastal area as part of your own fieldwork. (e) Evaluate the reliability of your conclusions (8) ...
Pearson Edexcel Business Advanced Subsidiary Paper 1: Marketing and people (A)
Section A 1 (a) What is meant by mass market? [2 marks] (b) What is meant by ethically sourced? [2 marks] (c) Tom Cridland sells 1,000 t-shirts at a price of £25. If he increases the price to £30 he expects to sell 950 t-shirts. Calculate the price elasticity of demand. [4 marks] (d) Tom Cridland admits that ‘sales have now moved on to a level that I can barely handle’ E...
- Exam (elaborations)
- • 13 pages •
Section A 1 (a) What is meant by mass market? [2 marks] (b) What is meant by ethically sourced? [2 marks] (c) Tom Cridland sells 1,000 t-shirts at a price of £25. If he increases the price to £30 he expects to sell 950 t-shirts. Calculate the price elasticity of demand. [4 marks] (d) Tom Cridland admits that ‘sales have now moved on to a level that I can barely handle’ E...
GCSE Business 1BS0 01
GCSE Business 1BS0 01 1.4.1 The options for start-up and small businesses 1 Explain one benefit to an entrepreneur of buying a franchise to start a business. (3) ............................................................................................................................................................................................................................................................................ ...........................................................
- Exam (elaborations)
- • 12 pages •
GCSE Business 1BS0 01 1.4.1 The options for start-up and small businesses 1 Explain one benefit to an entrepreneur of buying a franchise to start a business. (3) ............................................................................................................................................................................................................................................................................ ...........................................................
Portage Learning BIOD 151 Module 7 Exam
CALCULATION OF DRUG DOSAGES, 11TH EDITION OGDEN
HESI EXIT DOSAGE CALCULATION V2 | CLINCAL CALCULATIONS for Latest Exam | SCORE 1372 VERIFIED Questions
ATI PEDS PROCTORED EXAM PACK Level 3 93.3%
ACLS Exam Version C