Advertisements
Advertisements
प्रश्न
Classify the following as a physical or a chemical change.
Burning of paper
Advertisements
उत्तर
Chemical change
APPEARS IN
संबंधित प्रश्न
Classify the changes involved in the following process as physical or chemical changes:
Photosynthesis
Tick the most appropriate answer
2. Melting of ice is a
- reversible change
- irreversible change
- chemical change
- none of these
State the various conditions that favour the process of evaporation.
Which of the following are physical changes ?
- melting of iron metal
- rusting of iron metal
- bending of an iron rod
- drawing a wire of iron metal
Given reason:
Freezing of water to ice and evaporation of water are physical changes.
Give a reason why
Change of seasons is a periodic change while the change of weather is a non-periodic change.
Select the chemical changes from the following list of changes
Rotting of eggs.
A change in which matter undergoes a change but the total mass of the substance is unaltered is a ______ change.
Digestion of food is a physical change.
______ is the Universal Solvent.
