Science A, Combined (9-1) - Gateway Science Suite J250 9-1: C4: Predicting and identifying reactions and products Topical Past Paper Questions
OCR GCSE (9-1) Science A, Combined (9-1) - Gateway Science Suite J250 (9-1) past-paper questions on C4: Predicting and identifying reactions and products, 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 reactivity of four metals. The diagram shows the equipment they use. This is their method: • Measure 25 cm³ of copper sulfate solution into a polystyrene cup. Measure and record the initial temperature of the copper sulfate solution. • Add two spatulas…
Iron, Fe, can be extracted from iron oxide, $ Fe_{2}O_{3} $, in a blast furnace, by the reaction shown in the equation. $$ \mathrm{Fe}_{2}\mathrm{O}_{3}+3\mathrm{X}\rightarrow2\mathrm{Fe}+3\mathrm{Y} $$ What are the formulae of X and Y? Your answer □
A teacher demonstrates the reactions of the Group 1 metals with water. Table 13.1 shows information about how the first four elements in Group 1 react with water. Table 13.1 (a) When potassium is added to cold water it melts and moves very quickly across the surface of the water.…
Sign in required
Full C4: Predicting and identifying reactions and products question set, mark schemes and AI worksheets
Log in for the full topic-segregated question set, mark schemes, and AI worksheets built from every Science A, Combined (9-1) - Gateway Science Suite J250 past paper. New accounts start with 25 free credits.
Explore all Science A, Combined (9-1) - Gateway Science Suite J250 topics
All Science A, Combined (9-1) - Gateway Science Suite J250 topics