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प्रश्न
Choose the most appropriate answer
A pair of metalloids are
विकल्प
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
What is chromatography? For which type of mixture is it used?
Choose the most appropriate answer:
A mixture of sand and ammonium chloride can be separated by
Why is filtration a better technique than sedimentation and decantation ?
State any one method – to separate the following mixtures – A solid-liquid mixture containing an insoluble solid in the liquid component
State any one method – to separate the following mixtures – A solid-liquid mixture containing – a soluble solids in the liquid component
State any one method – to separate the following mixtures – A mixture of different solid constituents – in a liquid constituent.
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.
Select the correct answer from the choice given below to complete the sentence :
A soluble solid is separated from an insoluble solid by ____________.
Give a reason for the following statement :
Centrifugation can be used for separating an insoluble heavier solid, present in an – insoluble solid-liquid mixture.
A mixture of milk and water can be separated by filtration.
