Advertisements
Advertisements
प्रश्न
How can a change occur in a substance?
उत्तर
A change can occurs in a substance by an alteration in the properties such as colour, texture and the state of the substance since there is formation of a new substance.
APPEARS IN
संबंधित प्रश्न
What do you observe when :
solid ammonium chloride is heated
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
When sugar is heated, its colour changes into
Distinguish between the following.
Natural change and man-made change
Under which different types can the following changes be classified?
Conversion of milk into yogurt.
Under which different types can the following changes be classified?
Bursting of a cracker.
Explain in brief the involvement of energy in physical and chemical changes.
Fill in the blanks with the appropriate words of the statement given below:
Chemical changes may involve exchange of energy in the form of __________ and _________.
Picture based question
Observe the picture and list down the changes that are accompanied in the picture.
- ______.
- ______.
- ______.
