Advertisements
Advertisements
प्रश्न
What do you observe when :
a piece of paper is burnt
Advertisements
उत्तर
On burning piece of paper produces carbon dioxide and ash is left behind. Is a chemical change.
APPEARS IN
संबंधित प्रश्न
Fill in the blank
Burning of fuel is a _______ change.
State whether the following is physical or chemical changes.
Boiling of an egg —
Tick (√) the correct alternative from the choice given for the following statement
Burning is a
Melting of solid (wax) is a physical change.
Under which different types can the following changes be classified?
Bursting of a cracker.
How can a change occur in a substance?
Observe the picture containing a kettle and note that it has salt water in it and answer the following questions:
- What is name of the process that is done to the kettle?
- What will happen to the content of the kettle?
- What kind of change is occurring on the cold surface of the metal plate?
- What can you say about the quality of water that is obtained in the beaker?
Paper, LPG, CNG petrol, etc, are ______ substances.
The difference between initial state and the final state is called change.
What is the change?
