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प्रश्न
Write the names of elements from the following symbol:
Pt
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उत्तर
Pt- Platinum
संबंधित प्रश्न
How is sodium chloride different from its constituent elements, sodium and chlorine in its properties? Justify.
Name: Three different forms of carbon
Tick (√) the correct alternative from the choice given for the following statement.
All pure substances have
Tick (√) the correct alternative from the choice given for the following statement
A non-metal which is a good conductor of electricity.
Give the name of the radical - OH
Select the correct answer from the choice given below.
The type of molecule- bromine
Give an example of two liquids that form heterogeneous mixtures.
Select the correct answer from A, B, C, D & E for the statement given below :
A diatomic molecule.
The diagram represents fractional distillation for the separation of mixtures. Answer the following :
- Can two immiscible liquids be separated by this process?
- Separation of liquids by this process is based on which physical property?
- If methyl alcohol & water are to be separated, which liquid would remain in flask ‘X’ after condensation.
- Give a reason for the above answer.
- State the purpose of the fractionating column in the apparatus.
Classify the following as metals, non-metals and metalloids.
Sodium, Bismuth, Silver, Nitrogen, Silicon, Carbon, Chlorine, Iron, Copper
