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प्रश्न
Indicate whether the following statement is true or false:
Molecules can exist independently.
पर्याय
True
False
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उत्तर
True
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संबंधित प्रश्न
Write true or false
All pure substances have characteristic melting and boiling points.
Name: a non-metal which is lustrous
Give two examples of the following.
Non-metals which are solids
State the number of atoms of C6H12O6
Name: Three different forms of carbon
Fill in the blank
A metal which is a poor conductor of electricity is _______.
The important physical properties of substances are colour, odour, nature, density & solubility in water.
Name - a poisonous gas almost as heavy as air.
Give the name of the radical - NO3
Select the correct answer to the statement given below:
The chemical name for dinitrogen oxide [N20].
Define the term ‘compound’. In the compound carbon dioxide – the elements carbon & oxygen are combined in a fixed ratio. Explain.
