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AQA A LEVEL CHEMISTRY PAPER 1 EXAM 2025 (Actual Exam) Questions with verified Answers (Latest Update 2025) UPDATE!! Questions And Answers 2025/2026 TOF steps - CORRECT ANSWER -1) ionisation 2) acceleration 3) ion drift 4) detection 5) analysis Electr

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AQA A LEVEL CHEMISTRY PAPER 1 EXAM 2025 (Actual Exam) Questions with verified Answers (Latest Update 2025) UPDATE!! Questions And Answers 2025/2026 TOF steps - CORRECT ANSWER -1) ionisation 2) acceleration 3) ion drift 4) detection 5) analysis Electron impact - CORRECT ANSWER -Sample vaporised and electron gun fires high energy electrons at it which knock off 1 electron from each particle, making them 1+ ions NB- can knock off more than one e or break molecular ion electrospray ionization - CORRECT ANSWER -Sample dissolved in volatile solvent then injected through needle to give fine mist which is attached to positive end of high voltage power supply, particles gain proton NB- Mr of substance is actually one less than shown due to extra H+

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