Advertisements
Advertisements
प्रश्न
Write true or false
Burning of sugar is a temporary change.
पर्याय
True
False
Advertisements
उत्तर
False
APPEARS IN
संबंधित प्रश्न
Explain why burning of wood and cutting it into small piece are considered as two different types of changes.
Fill in the blank.
Heat is .................... by a gas during the process of condensation.
Write true or false for the statement
A natural change can also be a desirable change
What is a physical change ? Give two examples of physical changes.
Classify the following as a physical or a chemical change.
Butter getting rancid
Match the examples of changes in List I with the correct.
| List I | List II |
| 1. Expansion of a steel rod on heating | A: Physical change |
| 2. Rotting of eggs | B: Chemical change |
| 3. Milk turning sour | |
| 4. Tarnishing of copper | |
| 5. Separation of naphthalene from a mixture of naphthalene and sodium chloride. |
Distinguish physical and chemical changes.
Tearing of sheet of paper into pieces is ______ By the process of Heating of water, change.
When solute is dissolved in a solvent it forms a solution.
Iron pipes coated with zinc do not get rusted easily.
