Chemistry A H032: Acid–base and redox reactions Topical Past Paper Questions
OCR AS Chemistry A (H032) past-paper questions on Acid–base and redox reactions, free. This topic is frequently examined across 5 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
This question is about periodicity and the reaction of some Group 2 metals. (a) Periodicity is the repeating trend in properties of elements across different periods in the periodic table. (i) Complete the table below with the electron configurations and blocks. (ii) Use your ans…
This question is about halogens and halogen compounds. (a)* Seawater contains very small quantities of dissolved iodide ions. The concentration of potassium iodide, KI, in seawater is $ 0.150 \, g dm^{-3} $. lodine can be extracted by bubbling chlorine gas through seawater. Expla…
Glutaric acid is used in the production of polymers. The formula of glutaric acid can be represented as $ \mathrm{HOOC(CH_{2})_{n}COOH} $, where n is a whole number. A student carries out a titration to find the value of n. 1. The student dissolves 2.891 g of glutaric acid in wat…
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