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Practicals Chemistry AQA A-level Rated A+ Required Practical 1 - titration and making a standard solution Making a standard solution 1. weigh the required mass of solid using a sample bottle on a 2 dp balance. 2. transfer the solid into a beaker using distilled water to wash it out- preventing any solid remaining in the sample bottle. 3. reweigh the sample bottle and work out the difference. 4. Add 100cm3 of distilled water to the beaker to dissolve the solid (small volume of water) using a...

FR Title 29 - ANSWERSWhere can the HAZWOPER regulation be found? Binoculars - ANSWERSWhich of the following is the better tactic for identifying a hazardous material when using your senses? Keep things cold - ANSWERSWhat do Dewar containers do? 2 and 3/4 inches - ANSWERSWhat size bung do closed-head drums usually have? Oxygen - ANSWERSWhat is a substance that is transported and stored in uninsulated compressed gas cylinders? NFPA 704 - ANSWERSWhich marking system is generally foun...

FR Title 29 - ANSWERSWhere can the HAZWOPER regulation be found? Binoculars - ANSWERSWhich of the following is the better tactic for identifying a hazardous material when using your senses? Keep things cold - ANSWERSWhat do Dewar containers do? 2 and 3/4 inches - ANSWERSWhat size bung do closed-head drums usually have? Oxygen - ANSWERSWhat is a substance that is transported and stored in uninsulated compressed gas cylinders? NFPA 704 - ANSWERSWhich marking system is generally foun...

example, in a question requiring 2 answers for 2 marks: Correct answers Incorrect answers (i.e. incorrect rather than neutral) Mark (2) Comment 1 0 1 1 1 1 They have not exceeded the maximum number of responses so there is no penalty. 1 2 0 They have exceeded the maximum number of responses so the extra incorrect response cancels the correct one. 2 0 2 2 1 1 2 2 0 3 0 2 The maximum mark is 2 3 1 1 The incorrect response cancels out one of the two correct re...

FR Title 29 - ANSWERSWhere can the HAZWOPER regulation be found? Binoculars - ANSWERSWhich of the following is the better tactic for identifying a hazardous material when using your senses? Keep things cold - ANSWERSWhat do Dewar containers do? 2 and 3/4 inches - ANSWERSWhat size bung do closed-head drums usually have? Oxygen - ANSWERSWhat is a substance that is transported and stored in uninsulated compressed gas cylinders? NFPA 704 - ANSWERSWhich marking system is generally foun...

Pearson Mark Scheme (Results) Summer 2022 Pearson Edexcel GCSE In Combined Science (1 SCO) Paper ICF Mark Scheme (Results) Summer 2022 Pearson Edexcel GCSE In Combined Science (1SC0) Paper 1CF Edexcel and BTEC Qualifications Edexcel and BTEC qualifications are awarded by Pearson, the UK’s largest awarding body. We provide a wide range of qualifications including academic, vocational, occupational and specific programmes for employers. For further information visit our qualificat...

AQA A-LEVEL CHEMISTRY PAPER 2MARKING SCHEME JUNE 2022 AQA A-LEVEL CHEMISTRY PAPER 2MARKING SCHEME JUNE 2022 A-level CHEMISTRY 7405/2 Paper 2 Organic and Physical Chemistry Mark scheme June 2019 Version: 1.0 Final *196A74052/MS* Mark schemes are prepared by the Lead Assessment Writer and considered, together with the relevant questions, by a panel of subject teachers. This mark scheme in...

Chemistry ATP analysis How to check if a liquid is water? Check boiling point = 100 or melting point = 0 Why it is important to immediately put a bung in the conical flask in an experiment where gas is produced? minimize gas loss/ escape before bung is replaced State the advantage of measuring the volume of gas collected every 10 seconds rather than every 20 seconds more points / data so better / smoother graph / curve / line Why condensers are used? To cool the vapour. ...

Cicerone (Level 1) Certified Beer Server Beer is stored at what temp? - Correct answer-34-38 degrees 4 Steps to excellent beer - Correct answer-1. Store upright & cold 2. Dispense through balanced & maintained system 3. Use "beer clean" glasses 4. Pour properly Cleaning of beer system (how often) - Correct answer-Every 2 weeks Beer Clean Glass - Correct answer-Forms a proper head, allows lacing during consumption, and never shows patches of bubbles stuck to the side of the glass Keepi...

PLEASE PREVENT PANCASILA 1. THE ONE ALMIGHTY GOD The first point of the Pancasila precepts "Belief in the One and Only God" contains 7 points of practice to be applied in the life of the nation and state. While the points of the 1st Pancasila precepts mean that the state guarantees that every citizen embraces their own religion and worships according to their religion and beliefs. Soekarno introduced the 5 precepts at the last session of the Investigative Body for Preparatory Efforts for...