Advertisements
Advertisements
प्रश्न
What is a molecule?
Advertisements
उत्तर
The smallest unit of matter which can exist independently is called molecule.
Example: Oxygen molecule (O2) made up of two (O) atoms.
APPEARS IN
संबंधित प्रश्न
Define: Gas.
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.
Write true or false for each statement. Rewrite the false statement correctly.
Solids and liquids can flow.
Give two examples for the following :
Substances which sublime.
Describe a simple experiment to illustrate the existence of inter-molecular spacing.
Define the Atom.
Identify the odd term out and explain.
Write a scientific reason.
Lemon sherbat has a sweet, sour and salty taste and it can be poured in a glass.
Give a reason for the following:
A crystal of iodine on slow heating in a closed flask turns into vapours and fills the complete flask.
Write scientific reason.
Lemon sherbat has sweet, sour and salty taste and it can be poured in a glass.
