Some Basic Concepts of Chemistry PYQs Set 14 (PDF)

Set 14 of 14 · Questions 391-392 of 392

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Mere Teacher · Previous Year Questions JEE Main Chemistry · Some Basic Concepts of Chemistry · Set 14 (Q391-392)
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391. $What is the SI unit of density?$ (1) $g cm^{- 3}$ (2) $kg m^{- 3}$ (3) $g m^{- 3}$ (4) $kg cm^{- 3}$ 392. $Difference in density is the basis of$ (1) $Ultrafiltration$ (2) $Molecular sieving$ (3) $Gravity Separation$ (4) $Molecular attraction$