CAIE IGCSE Chemistry 13.1.6 Make Evidence Based Predictions Questions

Work through a real CAIE IGCSE Chemistry question that predicts products when barium nitrate decomposes by comparison with magnesium nitrate.

Exam points

make a prediction from an observed decomposition pattern to identify the gaseous products of a related nitrate

[Maximum number: 2]

Barium carbonate, $\mathrm{BaCO}_{3}$ , is an insoluble solid.

When barium carbonate is heated strongly, it undergoes thermal decomposition. One of the products is barium oxide.

Barium nitrate decomposes on heating in the same way as magnesium nitrate decomposes.

Name the two gaseous products formed when barium nitrate is heated.

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CAIE IGCSE Chemistry 13.1.6 Make Evidence Based Predictions Questions question 1