Advertisements
Advertisements
प्रश्न
Select the chemical changes from the following list of changes
The carbon cycle.
Advertisements
उत्तर
The carbon cycle is a PHYSICAL change as carbon remains as carbon, the mass of carbon remains the same in the cycle, is temporary, and only changes in the state take place.
APPEARS IN
संबंधित प्रश्न
Write short answer.
Give an example of desirable change which can also be undesirable
Is burning a physical change or a chemical change? Why?
State three differences between evaporation and boiling
Write true or false
Burning of sugar is a temporary change.
Photosynthesis cannot take place at night.
Define a chemical change. Give two examples of the above changes.
Fill in the blank.
There is no change in the _____________of the substance during a physical change.
Change is the law of nature and occurs in our everyday life, at all times and in all places.
Differentiate between the following change with a suitable example.
Natural and man-made change.
Is a change of state of matter – a physical or a chemical change. Give reasons.
Name the following.
The salt obtained when a chemical change takes place on the addition of iron to dilute sulphuric acid.
