Advertisements
Advertisements
Question
A carpenter wants to separate iron nails from saw-dust. Which method of separation should he choose ?
Advertisements
Solution
Iron nails are attracted by magnet. Thus, they can separated from saw dust using magnetic separation.
APPEARS IN
RELATED QUESTIONS
Define matter.
Fill in the blank
All matter is made up of tiny particles called ______
Name a metal which is soft and a non-metal which is hard.
Name a non-metal which is a good conductor of electricity.
Classify the following into elements and compounds :
- H2O
- He
- Cl2
- CO
- Co
What is the most common way of expressing the concentration of a solution ?
Calculate the concentration of a solution which contains 2.5 g of salt dissolved in 50 g of water.
State whether the following statement is true or false :
Sponge is an example of solid sol.
Fill in the following blank :
A colloid is a ..............mixture and its components can be separated by the technique known as ...............
Define Aerosol Give one example.
What type of magnet is fitted on a crane to separate scrap iron objects from a heap of waste materials in factories ?
What difference in the properties of oil and water enable their separation by a separating funnel ?
How will you separate iron pins from sand ?
Which of the following mixture cannot be separated by using water as the solvent ?
Which among the following ______ will get attracted to by magnet?
State whether true or false. If false, correct the statement.
Oil and water are immiscible with each other.
Which among the following is not a matter?
Rusting of an article made up of iron is called
Gases change to liquid by the process of ______.
Evaporation does form bubbles.
