Advertisements
Advertisements
प्रश्न
Wood to sawdust:______:: Wood to Ash: Chemical change
Advertisements
उत्तर
Wood to sawdust: Physical change. :: Wood to Ash: Chemical change
APPEARS IN
संबंधित प्रश्न
Classify the following as chemical or physical change:
Burning of paper and wood
Tick (√) the correct alternative from the choice given for the following statement.
A substance which can not sublime is
Write true or false
Deforestation is a man-made change.
Which of the following are chemical changes ?
- decaying of wood
- burning of wood
- sawing of wood
- hammering of nail into wood
Classify the following as a physical or a chemical change.
Boiling of water
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.
Slow and fast change.
Change is the law of nature which occurs in everyday life.
State when a substance [i.e. matter] undergoes a kind of change.
Give a reason why
Freezing of water is a reversible change while burning of a candle – an irreversible change.
When ice melts to form water, change occurs in its
What type of change is colouring of a paper?
