Advertisements
Advertisements
प्रश्न
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
उत्तर
Oxygen is an element. It contains the atoms of oxygen of the same kind.
APPEARS IN
संबंधित प्रश्न
Give Two Examples for Each of the Following: Inert Gases
Give two examples of Metals.
Give two examples of the following.
Non-metals which are solids
Select the correct answer to the statement given below:
A non-metal which exists in the liquid state.
Give a reason for the following statement:
Components in a mixture are present in varying proportions and not in a fixed proportion.
Give an example for the elements derived from their Latin names.
Differentiate between elements and compounds.
Name the process associated with the following
A fine beam of light entering through a small hole in a dark room illuminates the particles in its paths.
Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture
Two or more coloured constituents are soluble in some solvent.
How are elements classified?
