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प्रश्न
Write the names of elements from the following symbol:
Cd
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उत्तर
Cd − Cadmium
संबंधित प्रश्न
Give one example for the following types of mixtures :
misicible liquids
Give two examples of Metalloids.
Give two examples of the following.
Elements which are liquids
Name A substance used as an insulator.
Give reason: Graphite is used to make a lead of the pencils.
Fill in the blank
A metal which is a poor conductor of electricity is _______.
Tick (√) the correct alternative from the choice given for the following statement.
Sulphur and carbon are
Tick (√) the correct alternative from the choice given for the following statement
The hardest naturally occurring substance
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.
Select the correct answer from the choice given below to complete the sentence :
Dust in air is an example of _________ mixture.
