Advertisements
Advertisements
प्रश्न
What are fluids? Give two examples.
Advertisements
उत्तर
Substances that can flow are called fluids. e.g. gases (oxygen, hydrogen), liquids (water, petrol, sulphuric acid).
APPEARS IN
संबंधित प्रश्न
Name the terms for the process due to which a solid directly changes into its vapours.
Classify the following into solid, liquid and gas:
Coal, kerosene, wood, oxygen, sugar, blood, water vapour, milk, wax.
Fill in the blank
Liquids have no definite ______
State whether the following statement is True or False:
Only water can exist in three different states
The molecules of each substance are identical.
State the approximate spacing between two molecules of a matter.
What is volume?
Give one difference between atoms and molecules.
Write true or false for the statement. Rewrite the false statement correctly.
The smallest part of an element capable of independent existence is called an atom.
Solids retain their volume even when external pressure is applied. This property is called ______.
