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Examen
A Level OCR Chemistry Module 4 (A+ GRADED)
Alkane correct answers All bonds are full so it is saturated Covalently bonded Alkane formula correct answers CnH2n+2 Alkene correct answers More reactive Double bonded carbons Unsaturated (mono) Alkene formula correct answers CnH2n Making fuel (complete combustion equation) correct answers fuel + O2 >>>>> CO2 + H2O Making fuel (incomplete combustion equation) correct answers fuel + O2 >>>>> CO + H2O Making fuel (really incomplete combustion equ...
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Examen
A level OCR Chemistry Mark Scheme 2023-2024
PopularHey are scientists concerned about the release of methane gas? --CORRECT ANSWER: 1. Methanol contributes to global warming Suggest a modification to this experiment, using the same apparatus, which would reduce the percentage error in the measurements. Explain your reasoning. --CORRECT ANSWER: 1. Use a greater mass of Na2O 2. Larger temperature change to reduce percentage uncertainty The chemist finds the value of Kp is greater when the experiment is repeated at a different temperatur...
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OCR Chemistry A-Level - Modules 1-4 (A+ GRADED)
Module 4 Core Organic Chemistry (AS Chemistry OCR A) CORRECTLY ANSWERED OCR A-level Chemistry (Test questions with error-free answers) Module 4 Core Organic Chemistry (AS Chemistry OCR A) CORRECTLY ANSWERED
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