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From the academic year starting September 2023, Edexcel International GCSE exams are conducted in June and November. The last session for January Exams is January 2023 (Academic Year September 2022 to August 2023) and the first session for November Exams is November 2023 (Academic Year September 2023 to August 2024). [8]
There are also subjects, such as Japanese and Chinese, with 200 UMS available for the A-level and 100 for the AS. Some A-levels (e.g. Mathematics and single sciences) retain the 600 UMS mark system. Raw marks awarded in an exam are converted to UMS marks according to the difficulty of the exam paper and the performance of candidates.
In foundation-tier papers, pupils can obtain a maximum grade of a C, while in a higher-tier paper they can achieve a minimum grade of a D. Higher-tier candidates who miss the D grade by a small margin are awarded an E. Otherwise the grade below E in these papers is U. In untiered papers pupils can achieve any grade in the scheme.
In June 2015, students across the United Kingdom who had taken an Edexcel GCSE Maths paper expressed anger and confusion over questions that "did not make sense" and were "ridiculous", mocking the exam on Twitter. [13] [14] [15] On a Sky News segment, presenter Adam Boulton answered one of the paper's 'hardest' questions with a former maths ...
According to the 2022 Census of Bangladesh, the literacy rate of Bangladesh was 74.66% in 2022. [83] Prior to this national census, Bangladesh's literacy rate was 51.77% in 2011 according to the 2011 Census of Bangladesh. [84] The literacy rate of Bangladesh increased by 23.11% in 2022 compared to 2011.
A chemical equation is the symbolic representation of a chemical reaction in the form of symbols and chemical formulas.The reactant entities are given on the left-hand side and the product entities are on the right-hand side with a plus sign between the entities in both the reactants and the products, and an arrow that points towards the products to show the direction of the reaction. [1]
The following outline acts as an overview of and topical guide to chemistry: . Chemistry is the science of atomic matter (matter that is composed of chemical elements), especially its chemical reactions, but also including its properties, structure, composition, behavior, and changes as they relate to the chemical reactions.
The energy efficiency of a fuel cell is generally between 40 and 60%; however, if waste heat is captured in a cogeneration scheme, efficiencies up to 85% can be obtained. [citation needed] In 2022, the global fuel cell market was estimated to be $6.3 billion, and is expected to increase by 19.9% by 2030. [13]