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प्रश्न
Give two example of elements.
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उत्तर
Example: Hydrogen, Oxygen is made from atoms containing a single proton and a single electron.
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संबंधित प्रश्न
Give one example for the following type of mixtures
solid-solid homogenous mixture.
Tick the most appropriate answer
Solutions are
- heterogeneous mixtures.
- compounds
- homogeneous mixtures.
- elements
Give two examples of the following.
Metals which are soft
Fill in the blank
A metal which is a liquid at room temperature is _______.
Fill in the blank
A diatomic gaseous element is _______.
Tick (√) the correct alternative from the choice given for the following statement.
The most abundant elements in the universe are
State why brass is considered as a homogenous mixture while a mixture of iron & sulphur – heterogenous.
Atoms: Fundamental particle of an element::______ : Fundamental particles of a compound.
Oxygen is very essential for us to live. It forms 21% of air by volume. Is it an element or compound?
Matter is its simplest form is called ______.
