Advertisements
Advertisements
प्रश्न
Classify the following as a physical or a chemical change.
Drying of wet clothes
Advertisements
उत्तर
Physical change
APPEARS IN
संबंधित प्रश्न
Fill in the blank.
When a candle burns, wax melts. Melting of wax is a ________ change.
State whether the following is physical or chemical changes.
glowing of a bulb -
Differentiate between a physical change and a chemical change with reference to – Nature of change is temporary and reversible or permanent and irreversible.
Compare the energy changes involved during a physical and a chemical change.
Give a reason why – Heating a platinum wire is a reversible change but, heating a magnesium wire is an irreversible change.
Select the chemical changes from the following list of changes
Boiling of milk.
Select the chemical changes from the following list of changes
The crystallisation of salt from its solution.
Give the reason why the following is considered as chemical changes.
Copper carbonate on heat gives copper oxide and carbon dioxide.
Natural changes which take place in nature on their own, are beyond the control of human being.
Water is the universal solvent. Why?
