Viraf J Dalal Solutions for Chapter: Physical & Chemical Changes, Exercise 2: OBJECTIVE TYPE QUESTIONS
Viraf J Dalal Chemistry Solutions for Exercise - Viraf J Dalal Solutions for Chapter: Physical & Chemical Changes, Exercise 2: OBJECTIVE TYPE QUESTIONS
Attempt the free practice questions on Chapter 2: Physical & Chemical Changes, Exercise 2: OBJECTIVE TYPE QUESTIONS with hints and solutions to strengthen your understanding. Simplified Chemistry solutions are prepared by Experienced Embibe Experts.
Questions from Viraf J Dalal Solutions for Chapter: Physical & Chemical Changes, Exercise 2: OBJECTIVE TYPE QUESTIONS with Hints & Solutions
Melting of butter and wax are examples of chemical changes.
Melting of ice is an exothermic, irreversible chemical change.
Match the examples of changes in List I with the correct type in List II.
| List I | List II |
| 1. Expansion of a steel rod on heating | a. Physical |
| 2. Rotting of eggs | b. Chemical |
| 3. Milk turning sour | |
| 4. Tarnishing of copper | |
| 5. Separation of naphthalene from a mixture of naphthalene &sodium chloride. |
Name the following.
The products obtained during 'photosynthesis'- which is a chemical change.
Name the following.
The term involved in the change of state from - 'water to ice' - which is a physical change.
Name the following.
The final product of the physical change involved during - "melting of a piece of wax".
Name the following.
The type of change i.e. physical or chemical involved - "during respiration in human beings".
Name the following.
The type of change i.e. physical or chemical involved - "when a substance undergoes a change in state, colour or size".
