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प्रश्न
What are molecules?
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उत्तर
Molecules are made of atoms. Molecules exhibit the properties of that kind of matter and have independent existence.
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संबंधित प्रश्न
State three main characteristics of the particles of matter.
Classify the following into solids, liquids and gases.
Oxygen, milk, common salt, wax, stone, water vapour, carbon-dioxide, sugar, mercury, coal, blood, butter, copper, coconut oil, kerosene.
Water cycle is an example of inter conversion of states of water. Explain.
Give reason Pure substances have fixed melting or boiling point .
Give two examples for the following :
Substances which sublime.
The process by which a solid change into a liquid is called
Fill in the blank
The molecules are at a greater distance in ........ compared to liquids.
Identify the odd term out and explain.
Give two examples.
Solid element
Write scientific reason.
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