Iron filings can be separated from a heterogeneous mixture using the technique of :
A). Sublimation
B). Magnetization
C). Sedimentation
D). Evaporation
Magnetization
The method of separation using magnets is used when one of the components is magnetic. So the heterogeneous mixture of iron filings and some other material (such as sulphur powder) can be separated by using magnets. Similarly, a mixture of sand and iron filings can be separated by magnet.
1. The sewage obtained from water closets and urinals is known as
2. Hamburger effect is otherwise known as–
3. For a spontaneous chemical process, the free energy change is
4. Question 8.6:Write the formulae for the following compounds:(a) Mercury(II) chloride
5. Alcohol is more volatile than water because _________ is lower than water
6. Which of the following is the major constituent of LPG?
8. Persons working in cement plants and lime stone quarries are prone to disease like
9. Which method will be employed to test the hardness of water?
10. Which of the following gases is present under pressure in soft drinks