Advertisements
Advertisements
प्रश्न
Select the chemical changes from the following list of changes
Respiration in mammals.
Advertisements
उत्तर
Respiration in mammals is a CHEMICAL change, we breathe in oxygen and breathe out carbon dioxide. It is irreversible and composition changes.
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Making a fruit salad with raw fruits
Fill in the blank
Chemical change occurs as a result of __________ between two substances.
Classify the following as physical or chemical change :
Growth of a plant
Which of the following are chemical changes ?
- decaying of wood
- burning of wood
- sawing of wood
- hammering of nail into wood
Classify the Following as a Physical Or a Chemical Change.
Curdling of Milk
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. |
Select the chemical changes from the following list of changes
Breaking of glass
What type of energy changes is associated when ice melts?
Gas exists in three states as solid, liquid, and gas.
Ice, water and water vapour look different and display different ______ properties but they are ______ the same.
