CAIE IGCSE Chemistry 3.1.8 Deduce the Symbol Equation with State Questions
Predict and balance thermal decomposition reactions, including gas products from heated compounds.
- Syllabus
- 2026–2028
- Course
- Chemistry 0620
Exam points
- predict products of thermal decomposition reactions
- write balanced decomposition equations
- identify gases released on heating metal compounds
- complete decomposition equations for hydrated salts
- apply decomposition patterns to nitrates and carbonates
CAIE IGCSE Chemistry 3.1.8 Deduce the Symbol Equation with State Questions question 1
[Maximum number: 1]
Copper(II) nitrate and zinc carbonate are heated strongly in separate test-tubes.
Which row identifies the gases produced?
copper(II) nitrate
zinc carbonate
oxygen and nitrogen dioxide
carbon dioxide only
oxygen and nitrogen dioxide
carbon dioxide and oxygen
nitrogen dioxide only
carbon dioxide and oxygen
nitrogen dioxide only
carbon dioxide only
A
All question bank results loaded