Advertisements
Advertisements
Question
Give reason:
Why sulphur does dissolve when carbon disulphide is added to a mixture of iron and sulphur but not when it is added to iron sulphide?
Solution
Sulphur has the property to dissolve in carbon disulphide whereas iron does not dissolve and retains its individual property. However, On heating Iron and Sulphur, they chemically combined forming Iron Sulphide. In this, Iron and Sulphur particles do not exist separately as such they lose their individual property.
APPEARS IN
RELATED QUESTIONS
Is air a mixture or a compound ? Give three reasons for your answer.
Define a mixture. Give two points of evidence to show that sugar solution is a mixture.
Explain why, a solution of salt in water is considered a mixture and not a compound.
How will you separate a mixture of mercury, oil and water ?
Write “true” or “false” for the following statement
Common salt is separated from its solution in water by decantation.
Explain the term mixtures.
Name the following:
A physical method of separating iron from an iron-sulfur mixture.
Which of the following are physical changes?
(i) Melting of iron metal
(ii) Rusting of iron
(iii) Bending of an iron rod
(iv) Drawing a wire of iron metal
Can we separate alcohol dissolved in water by using a separating funnel? If yes, then describe the procedure. If not, explain.
The constituents that form a mixture are also called ______.
