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Chemistry (first assessment 2025)

IB Chemistry (first assessment 2025) — How Fast? the Rate of Chemical Change topical past papers

32 past-paper questions on How Fast? the Rate of Chemical Change for Chemistry (first assessment 2025).

Questions
32
Years
2025–2025
With mark scheme
100%
Questions 2021–2025
32

Anyone can browse these pages. Opening the questions and their mark schemes takes a free Momentum account.

How How Fast? the Rate of Chemical Change has been examined

From 2021 to 2025, How Fast? the Rate of Chemical Change was on 2 HL in 1 of 1 exam series, worth about 36% of that paper’s marks.

How How Fast? the Rate of Chemical Change has been examined, by paper
PaperQuestionsShare of marksSeries
1A HL119%1 of 1
1A SL67%1 of 1
1B HL438%1 of 1
1B SL329%1 of 1
2 HL536%1 of 1
2 SL319%1 of 1

Momentum’s own count, over the questions in its bank for these years: a series is one exam session, every zone included, and a question filed under two chapters counts in both. Median marks per question: 1.

Filed in Momentum under: How Fast? the Rate of Chemical Change.

Practising in Momentum

  • Every question in a chapter as one list, from every paper and year in the bank, newest first or shuffled.
  • Each question turns over to its own part of the mark scheme, where the board published one.
  • Narrow by paper, year, session, zone and marks, and star the questions worth keeping.
  • Pick chapters, a number of questions and a time, and the exam builder draws a mock to sit and mark.

Past-paper questions and mark schemes are the copyright of International Baccalaureate. Momentum shows them to signed-in learners for revision and does not publish them on these pages.

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