Advertisements
Advertisements
प्रश्न
State whether the following is physical or chemical changes.
(energy produced) dissolving sugar in water —
Advertisements
उत्तर
physical change,
APPEARS IN
संबंधित प्रश्न
Tick the most appropriate answer.
3. Physical changes are
- permanent.
- periodic,
- temporary
- irreversible.
Write short answer.
Give an example of desirable change which can also be undesirable
State whether the following is physical or chemical changes.
burning of sugar —
Give four difference between physical and chemical changes.
Fill in the blank with the appropriate word of the statement given below:
If a change is permanent and irreversible it is considered a _________ change.
State whether the following statement is true or false. If false write the correct statement.
Melting of ice is an exothermic, irreversible chemical change.
Select the chemical changes from the following list of changes
Butter turning rancid
Select the chemical changes from the following list of changes
Change of seasons
Grinding of wheat grain changes its size. It is a ____________ change.
Mention some of the different conditions needed for chemical changes to occur.
