Advertisements
Advertisements
प्रश्न
Write true or false
Decomposition of leaves is a fast change.
पर्याय
True
False
Advertisements
उत्तर
False.
Decomposition of leaves is a slow change.
APPEARS IN
संबंधित प्रश्न
Tick the most appropriate answer.
4. Chemical changes involve
- change in shape.
- change in size.
- change in molecular composition.
- none of these
Write short answer.
What are man-made changes ?
State whether the following is physical or chemical changes.
growing of a piglet into a pig —
Tick (√) the correct alternative from the choice given for the following statement.
An example of both physical and chemical change is
True or false
Change of seasons is a non-periodic change.
Tick the most appropriate answer.
Physical changes are
Select the chemical changes from the following list of changes
Preparation of carbon dioxide from calcium carbonate & dilute hydrochloric acid.
Gas exists in three states as solid, liquid, and gas.
The change of state of a substance from solid to liquid and liquid to gas is ______.
Keeping a stone in sunlight for few hours is ______.
