Solutions

CBSE Class 12 · Chemistry · 29 past questions

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1. Q1 2026

   When 1.5 g of a non-volatile solute was dissolved in 90 g of benzene, the boiling point of benzene got raised…

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2. Q2 2026

   Which of the following solutions will have the lowest freezing point in water ?

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3. Q4 2026

   The boiling point of an azeotropic mixture of water and ethanol is less than that of pure water and ethanol.…

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4. Q5 2026

   The mole fraction of a solute in 2·0 molal aqueous solution is…

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5. Q6 2026

   An antifreeze solution is prepared by dissolving 31 g of ethylene glycol (Molar mass = 62 g mol$^{-1}$) in…

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