Advertisements
Advertisements
Question
State whether the following statement is true or false.
A mixture of wheat grains and wheat flour can be separated by sieving.
Options
True
False
Advertisements
Solution
This statement is True.
Explanation:
-
Sieving is a method used to separate components of different sizes.
-
In the case of wheat grains (larger in size) and wheat flour (very fine powder):
-
When passed through a sieve, the flour passes through the tiny holes,
-
The grains stay on top of the sieve.
-
This is a common technique used in households and industries.
APPEARS IN
RELATED QUESTIONS
Write the Chemical Name of the Following and Also Give Their Molecular Formulae:
Baking Soda
Suggest a suitable technique to separate the constituents of the following mixtures. Also give the reason for selecting the particular method.
Salt from sea water
Write true or false
Milk is an emulsion.
Write true or false
Handpicking can be used as a separation technique if the particle size of the constituents of the mixture is the same.
How can you separate iron metal from non-magnetic impurities ?
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 - Sulphur from a mixture of – sulphur & copper.
Explain with diagram the process used to – separate the following substance from the given mixtures - Lead nitrate [soluble] from a mixture of – lead nitrate & water Le. lead nitrate solution.
Lemonade is prepared by mixing lemon juice and sugar in water. You wish to add ice to cool it. Should you add ice to the lemonade before or after dissolving sugar? In which case would it be possible to dissolve more sugar?
A mixture of iron nails, salt, oil and water is provided to you. Give stepwise methods to separate each component from this mixture.
