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A past paper is an examination paper from a previous year or previous years, usually used either for exam practice or for tests such as University of Oxford, [1] [2] University of Cambridge [3] College Collections. Exam candidates find past papers valuable in test preparation.
On 20 August 2020 the GCSE results were released. [30] After the problems arising from the use of the grade algorithm for A-Levels, it was decided that GCSE grades awarded to each student would be the higher of the teacher predicted result or algorithm standardised result for each subject they took. [30]
However the exam papers of the GCSE sometimes had a choice of questions, designed for the more able and the less able candidates. When introduced the GCSEs were graded from A to G, with a C being set as roughly equivalent to an O-Level Grade C or a CSE Grade 1 and thus achievable by roughly the top 25% of each cohort.
Despite its regional name, schools were free to pick which exam board to use for their qualifications and MEG eventually set 30% of all GCSE qualifications taken each year. [1] The board also wrote syllabuses for the Certificate of Achievement (later becoming the Entry Level Certificate ), aimed at students working below GCSE level.
In a paper published in 1894, it was formally proposed to add chlorine to water to render it "germ-free". Two other authorities endorsed this proposal and published it in many other papers in 1895. [4] Early attempts at implementing water chlorination at a water treatment plant were made in 1893 in Hamburg, Germany.
AQA Education, [1] trading as AQA (formerly the Assessment and Qualifications Alliance), is an awarding body in England, Wales and Northern Ireland.It compiles specifications and holds examinations in various subjects at GCSE, AS and A Level and offers vocational qualifications.
Litmus paper after being used. The main use of litmus is to test whether a solution is acidic or basic, as blue litmus paper turns red under acidic conditions, and red litmus paper turns blue under basic or alkaline conditions, with the color change occurring over the pH range 4.5–8.3 at 25 °C (77 °F). Neutral litmus paper is purple. [2]
Arthur Thomas Palin (b. 16 October 1916 - 2006) was a British chemist and bacteriologist. [2] As well as inventing the DPD method of detecting chlorine in water [1] and working as an official advisor to the American Water Works Association (AWWA), Palin was responsible for what the Manual of British Water Engineering Practice records as one of the key historical developments, when breakpoint ...
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