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प्रश्न
Choose the most appropriate answer
A pair of metalloids are
पर्याय
Na and Mg
B and Si
C and P
He and A
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उत्तर
B and Si
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संबंधित प्रश्न
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
Choose the most appropriate answer:
A mixture of sand and ammonium chloride can be separated by
Tick the most appropriate answer
The methods of separating components of a given mixture are based on the
- physical properties and state of the components.
- colour of the components only.
- state of the components.
- none of these
A _______ is formed when one liquid is dispersed as tiny droplets throughout another liquid
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.
Name two methods by which solid-solid mixtures can be separated.
Name the following:
The heavier liquid component from mercury and water.
Select the correct answer from the choice given below to complete the sentence :
A soluble solid is separated from an insoluble solid by ____________.
Malar’s mother was preparing to cook dinner. She accidentally mixed ground nuts with urad-dhal. Suggest a suitable method to separate the two substances so that Malar can have ground nuts to eat.
