Advertisements
Advertisements
प्रश्न
Compare the properties of iron [II] sulphide with the iron-sulphur mixture, considering iron [II] sulphide as a compound & particles of iron & sulphur mixed together as an example of a mixture.
Advertisements
उत्तर
Iron and sulphur mixture :
- The constituents i.e. iron and sulphur are seen separately.
- Iron attracts and clings to the magnet.
- On adding dil. HC1 to the mixture H2 gas evolves.
Iron [II] sulphide is a compound
- It is a black solid.
- On bringing a magnet near it we cannot separate iron.
- On adding dil. HCl to it H2S gas evolves.
APPEARS IN
संबंधित प्रश्न
Fill in the blanks.
Immiscible liquids are separated by using a ________.
Explain with a diagram the process used to – separate the following substance from the given mixture.
Potassium nitrate from a mixture of – potassium nitrate & potassium chlorate.
Explain with diagram the process used to – separate the following substance from the given mixtures - Carbon tetrachloride from a mixture of – carbon tetrachloride [heavier component] & water.
Give a reason for the following statement :
Components in a mixture can be separated by physical methods only.
How can you separate a large quantity of tiny bits of paper mixed with pulses/dal?
Using suitable apparatus from your laboratory separate the mixture of chalk powder, mustard oil, water, and coins. Draw a flow chart to show the separation process.
Name the components in each of the following mixtures.
- Ice cream
- Lemonade
- Air
- Soil
Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?
What is meant by separation?
A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.
