Advertisements
Advertisements
प्रश्न
Write true or false
Decomposition of leaves is a fast change.
पर्याय
True
False
उत्तर
False.
Decomposition of leaves is a slow change.
APPEARS IN
संबंधित प्रश्न
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
State the differences between a physical change and a chemical change.
State whether the following is physical or chemical change.
Digestion of food —
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
Classify the following changes as physical or chemical.
The rusting of an iron object is called :
Ice kept in a beaker, slowly melts and turns into water. The water in the beaker on solidification is freezing turns back to ice. Give four reasons why the change from ice to water and water back to ice is considered a physical change.
Give a reason why
Change of seasons is a periodic change while the change of weather is a non-periodic change.
Water is known as a universal solvent. Why?
Mention some of the different conditions needed for chemical changes to occur.
