Cambridge International IGCSE Chemistry (0620) · CAIE 0620
5 Chemical energetics
Written & reviewed by James Millett — Biology (Imperial College London), PGCE Science (University of Cambridge).
Practice questions on Chemical energetics
- A student adds a spatula of ammonium nitrate crystals to a test tube containing a small vo… (4 marks, Describe and Explain)
- Describe what happens to the temperature of the surroundings during an exothermic reaction… (4 marks, Describe)
- When magnesium ribbon is added to dilute hydrochloric acid, a vigorous reaction occurs. De… (4 marks, Describe and Explain)
- Hydrogen peroxide decomposes into water and oxygen when manganese(IV) oxide is added as a … (4 marks, Explain)
- Explain the difference between an exothermic reaction and an endothermic reaction, and giv… (4 marks, Explain)
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