Answers section
Questions 4.5.4
- Which gas is produced by nitrates of heavy metals but not nitrates of sodium or potassium?
- Which gas is produced by the nitrates of both heavy metals and nitrates of sodium and potassium?
- What is the colour of the solid residues?
- The residues are sodium nitrite (NaNO2) and potassium nitrite (KNO2). Write chemical equations for thermal decomposition of sodium nitrate and potassium nitrate respectively.
- Ammonium nitrate decomposes to produce nitrogen (I) oxide (N2O) gas, and steam. Write a chemical equation for the decomposition.
Answers to Questions 4.5.4