Chemistry B (9-1) - Twenty First Century Science Suite J258 9-1: Material choices Topical Past Paper Questions
OCR GCSE (9-1) Chemistry B (9-1) - Twenty First Century Science Suite J258 (9-1) past-paper questions on Material choices, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
PET is a polymer made from crude oil. Most plastic water bottles are made from PET. A recycling process uses PET from waste bottles to make new polymers. These new polymers can be used to make fabric for clothing and other products. The diagram below shows the three stages involv…
Nina does a titration using dilute hydrochloric acid and dilute sodium hydroxide. She uses this apparatus. (a) Nina uses this method: Fill the burette with dilute hydrochloric acid. - Use a beaker to measure 25cm³ of dilute sodium hydroxide. • Add universal indicator to the dilut…
Table 5.1 and Table 5.2 show information about the structures and uses of diamond and graphene. Table 5.1 Table 5.2 (a)* Discuss the similarities and differences between the properties of diamond and graphene in terms of their structures and explain why they have different uses.…
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