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प्रश्न
Define Element.
उत्तर
It is defined as that pure substance that contains only one type of atoms e.g. hydrogen, chlorine.
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संबंधित प्रश्न
Fill in the blank:
The molecules are made up of ________
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.
Name the phenomenon which causes the Disappearance of camphor is
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Substances that are rigid and not compressible.
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Give reason :
A gas fills up the space available to it.
Write whether the following statement is true or false.
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Solids retain their volume even when external pressure is applied. This property is called ______.
Give two examples.
Gaseous element
