Advertisements
Advertisements
प्रश्न
State whether the following statement is true or false.
A mixture of iron filings and rice flour can be separated by magnet.
विकल्प
True
False
Advertisements
उत्तर
This statement is True.
Explanation:
-
Iron filings are magnetic, meaning they are attracted to a magnet.
-
Rice flour is non-magnetic, so it is not attracted by a magnet.
-
When a magnet is brought near the mixture, it attracts only the iron filings, leaving the rice flour behind.
APPEARS IN
संबंधित प्रश्न
Differentiate between:
pure and impure substances
How is sodium chloride different from its constituent elements ?
Choose the most appropriate answer
A pair of metalloids are
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Water and alcohol
Select the correct answer from the choice given below to complete the sentence :
The reactive element from the two monoatomic elements is _____________.
How can husk or fine dust particles be separated from rice before cooking?
How can you separate a large quantity of tiny bits of paper mixed with pulses/dal?
Name and describe briefly a method which can be helpful in separating a mixture of husk from grains. What is the principle of this method?
Match the mixtures in column I with their method of separation in column II.
| COLUMN I | COLUMN II | ||
| (a) | Oil mixed in water | (i) | Sieving |
| (b) | Iron powder mixed with flour | (ii) | Hand picking |
| (c) | Salt mixed with water | (iii) | Decantation |
| (d) | Lady’s finger mixed with french beans | (iv) | Magnet |
| (e) | Rice flour mixed with kidney beans | (v) | Evaporation |
A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.
