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Question 1
A solution is prepared by dissolving 0.50 mol of urea (non-volatile, non-electrolyte) in 500 g of water. What is the molality of urea in the solution?
Correct Answer:
1.0 m
Question 2
According to Raoult’s law for an ideal binary solution of volatile liquids A and B, the partial vapour pressure of component A is equal to
Correct Answer:
its pure vapour pressure multiplied by its mole fraction in the liquid phase
Question 3
Which colligative property is preferred for determining the molar mass of a polymer of high molar mass?
Correct Answer:
Osmotic pressure
Question 4
A 0.10 m aqueous solution of a non-volatile non-electrolyte freezes at −0.186 °C. If K_f for water is 1.86 K kg mol⁻¹, the depression of freezing point confirms that
Correct Answer:
ΔT_f = K_f · m = 0.186 K
Question 5
Henry’s law states that the solubility of a gas in a liquid at constant temperature is directly proportional to
Correct Answer:
the partial pressure of the gas above the solution
Question 1
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About this Exam

Prepare with the RBSE SS Chemistry Practice Questions - Rajasthan RBSE Senior Secondary (Class 12) Chemistry - Code 041 Exam practice quiz. This question bank includes 100 questions covering reaction, solution, rate, molar, and aqueous. Use it to review important concepts, identify knowledge gaps, and build confidence for the related exam, course, or assessment.

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RBSE SS Chemistry Practice Questions - Rajasthan RBSE Senior Secondary (Class 12) Chemistry - Code 041 Exam

This practice set contains 100 questions from the matching question bank and focuses on reaction, solution, rate, molar, and aqueous. Work through each question carefully, review the provided solutions, and revisit topics that need more study before your next attempt.

This is an independent study resource intended for practice and review; it is not an official examination or an endorsement by any organization named in the title.

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