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प्रश्न
Picture based question
Observe the picture and list down the changes that are accompanied in the picture.
- ______.
- ______.
- ______.
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उत्तर
- Physical change
- Chemical change
- Exothermic
APPEARS IN
संबंधित प्रश्न
What do you observe when :
a piece of paper is burnt
What do you observe when :
solid ammonium chloride is heated
What do you observe when :
a spoon of sugar is heated in a pan
State whether the following is physical or chemical changes.
Melting of wax —
Tick (√) the correct alternative from the choice given for the following statement
When sugar is heated, its colour changes into
True or false?
During a physical change energy is either given out or absorbed by the system.
True or false?
In a chemical change, rearrangement of molecules and atoms involves some energy changes.
Distinguish between the following.
Natural change and man-made change
Under which different types can the following changes be classified?
Occurrence of an earthquake.
How can a change occur in a substance?
