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प्रश्न
Give two example of the following:
The substances which do not change their state on heating.
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उत्तर
Gases do not change their state on heating.
Example: O2.
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संबंधित प्रश्न
Define interconversion of states of matter. What are the two factors responsible for the change of states of matter?
What are fluids ? Give two examples.
Write your observation and conclusion for the following.
When a small stone is gently dipped into a glass filled with water.
Name the phenomenon which cause the following change:
Conversion of ice into water.
If an object is taken to the moon from the earth what will be its mass ?
Give reasons for the following:
Water on freezing turns into ice.
A glass beaker is half-filled with water and an empty glass tumbler is inverted & lowered inside the glass beaker. State your observations on tilting the tumbler below the level of the water in the glass beaker. Give a reason for your answer.
Differentiate the general properties of solids, liquids and gases in the form of a table — with reference to shape.
Give a reason why:
Gases have no definite volume and no definite shape.
Air is not compressible.
