Chemistry - MOST IMPORTANT IB Security Assistant/Motor Transport Previous Year Questions
Practice real questions from previous year exams of IB Security Assistant/Motor Transport.
📘 Phase Changing Processes and Their Factors📚 Boiling or Vaporization
Q1
Why does steam at 373°K cause more severe burns than boiling water at the same temperature?
🎯 IB Security Assistant/Motor Transport 2025
📘 Chemical Reactions📚 Decomposition Reaction
Q2
The given reaction falls under which of the following categories?
2Pb(NO3)2 (s) --heat--> 2PbO (s) + 4NO2 (g) + O2 (g)
🎯 IB Security Assistant/Motor Transport 2025