Chemistry A (9-1) - Gateway Science Suite J248 9-1: Particles Topical Past Paper Questions
OCR GCSE (9-1) Chemistry A (9-1) - Gateway Science Suite J248 (9-1) past-paper questions on Particles, free. This topic is frequently examined across 6 exam sessions. Sign in for the full topic-segregated question bank and AI worksheets.
Sample questions
A student investigates the reaction between marble chips and dilute hydrochloric acid. The diagram shows their experiment. The student measures the volume of carbon dioxide gas collected in the measuring cylinder every 30 seconds. (a) (i) Suggest another piece of equipment that c…
Why are alloys stronger than the pure metals which they are made from? A Alloys combine the properties of the metals they are made from. B Alloys contain atoms of different sizes. C Alloys contain different atoms bonded together. D Alloys have strong bonds between their molecules…
(a) Theories about atoms have developed as new evidence has been discovered. J.J. Thomson's model of the atom was called the "plum pudding" model. (i) Describe two differences between the current understanding of the structure of the atom and J.J. Thomson’s “plum pudding” model.…
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