Advertisements
Advertisements
प्रश्न
Match the following
Sr. No. | A | B | C |
1. | Melting | Change of state from liquid to solid | Ticking of clock |
2. | Condensation | Change of state from liquid to gas | Formation of ice cube |
3. | Evaporation | Change of state from solid to liquid | Collecting flowers |
4. | Freezing | Change of state from gas to liquid | Ice cube to water |
5. | Periodic change | Occurs at irregular time intervals | Water to steam |
6. | Non-periodic change | Occurs at regular time intervals | Steam to water drops |
उत्तर
Sr. No. | A | B | C |
1. | Melting | Change of state from liquid to solid | Ice cube to water |
2. | Condensation | Change of state from liquid to gas | Steam to water drops |
3. | Evaporation | Change of state from solid to liquid | Water to steam |
4. | Freezing | Change of state from gas to liquid | Formation of ice cube |
5. | Periodic change | Occurs at irregular time intervals | Ticking of clock |
6. | Non-periodic change | Occurs at regular time intervals | Collecting flowers |
APPEARS IN
संबंधित प्रश्न
Try segregating the things around you as pure substances or mixtures.
Chemical changes are accompanied by changes in energy.
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
True or false
Is melting of ice a reversible change?
Select the chemical changes from the following list of changes
Breaking of glass
Give the reason why the following is considered as chemical changes.
An iron nail kept open in the atmosphere rusts.
Give the reason why the following is considered as chemical changes.
A piece of magnesium strip is dropped into a beaker containing dilute hydrochloric acid.
Tearing of sheet of paper into pieces is ______ By the process of Heating of water, change.
Analogy:
Melting of ice: Physical change.
Popping of popcorn: ______.
State whether the following statements are true or false:
Anaerobic bacteria digest animal waste and produce biogas.