Teaching CTET (Paper 1 & Paper 2) Mock Test Series 2025 General Science Chemistry Basic Concepts of Chemistry
Statement I: The boiling of water is a physical change.
Statement II: The rusting of iron is a physical change.
Statement III: The cooking of food is a chemical change.
1
Only Statement I is correct.
2
Statements I and III are correct.
3
Only Statement III is correct.
4
All statements are correct.