Advertisements
Advertisements
Question
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
Solution
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
RELATED QUESTIONS
A _______ is formed when one liquid is dispersed as tiny droplets throughout another liquid
Differentiate between the following
Supernatant liquid and Fill rate
Why is filtration a better technique than sedimentation and decantation ?
State any one method – to separate the following mixtures – A liquid-liquid mixture containing – two miscible liquids having different boiling points.
Explain with diagram the process used to – separate the following substance from the given mixtures - Ammonium chloride from a mixture of – ammonium chloride & potassium chloride.
Select the correct answer from the choice given below to complete the sentence :
The reactive element from the two monoatomic elements is _____________.
Give a reason for the following statement :
Zinc is considered an element, while zinc sulphide is considered a compound.
Very Short Answer Type Question:
What types of material can we separate by using handpicking?
Name the components in each of the following mixtures.
- Ice cream
- Lemonade
- Air
- Soil
You are provided with a mixture of salt, sand, oil and water. Write the steps involved for the separation of salt, sand and oil from the mixture by giving an activity along with the diagram.
