Advertisements
Advertisements
प्रश्न
Fill in the blank with the correct word of the statement given below:
Sublimation of iodine is an example of _________ change.
Advertisements
उत्तर
Sublimation of iodine is an example of physical change.
APPEARS IN
संबंधित प्रश्न
Changes in which only ______ properties of a substance change are called physical changes.
Write true or false for the statement.
Dissolving of solute in a solvent and rusting of iron are both physical changes.
Fill in the blank.
Growing of a seedling into a plant is _______ change.
State whether the following is physical or chemical changes.
glowing of a bulb -
Write true or false
Earthquake is a desirable change.
Two chemical substances X and Y combine together to form a product P which contains both X and Y X + Y P
X and Y cannot be broken down into simpler substances by simple chemical reactions. Which of the following statements concerning X, Y and P are correct ?
- P is a compound
- X and Y are compounds
- X and Y are elements
- P has a fixed composition
Define a chemical change. Give two examples of the above changes.
Select the chemical changes from the following list of changes
Respiration in mammals.
Match the examples of changes in List I with the correct type of change in List II.
| List I | List II |
| 1. Burning of paper | A: Physical change |
| 2. The ringing of an electric bell | B: Chemical change |
| 3. Curdling of milk | |
| 4. Electric light is switched on | |
| 5. Melting of butter |
Adding sugar to milk is a physical change.
