Question
Which of the following is/are the example/examples of chemical change?
1. Crystallization of sodium chloride
2. Melting of ice
3. Souring of milk
Select the correct answer using the code given below.
Attempt this previous-year question. The correct option stays hidden until you choose.
Which of the following is/are the example/examples of chemical change?
1. Crystallization of sodium chloride
2. Melting of ice
3. Souring of milk
Select the correct answer using the code given below.
Pick an option to check yourself.
• Correct Answer: B
• Souring of milk involves bacterial fermentation of lactose into lactic acid, altering chemical composition irreversibly.
• Crystallization and melting are physical changes involving only state/form alteration without new substance formation.
Attempt Prelims MCQs or open Mains questions by paper — then continue the same bank inside the app with visual decks.