In NCERT Class 12 Chemistry Chapter 1, "Solutions," students delve into the behavior and properties of solutions, focusing on the types of solutions, their concentration, and colligative properties. This chapter lays a solid foundation for understanding the practical and theoretical aspects of solutions in chemistry.
This article provides essential resources for CBSE and CUET exam preparation, including sample MCQs and subjective questions. Downloadable PDFs for Class 12 Chemistry Chapter 1 MCQs and previous year questions are also included to enhance your practice of NCERT Class 12 Solutions.
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NCERT Class 12 Chemistry Chapters
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Chapter Number
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Chapter Name
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Chapter II
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Chapter III
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Chapter IV
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Chapter V
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Chapter VI
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Chapter VII
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Chapter VIII
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Chapter IX
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Chapter X
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This question bank includes previous years' CUET and CBSE MCQs, along with questions curated by subject experts. Below are 5 sample multiple-choice questions (MCQs) for Class 12 Chemistry Chapter 1: Solutions. For the full set of 50 questions, download the PDF using the link provided below.
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1. |
On dissolving ammonium chloride in water at room temperature, the solution feels cool to touch. Under which of the following conditions does salt dissolve faster? (a) Powdered salt in cold water (b) Powdered salt in hot water (c) Salt crystals in cold water (d) Salt crystals in hot water |
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Isotonic solutions have: (a) same osmotic pressure (b) same boiling point (c) same melting point (d) same vapour pressure |
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If molality of a dilute solution is doubled, the value of the molal elevation constant (Kb) will be (a) halved (b) doubled (c) tripled (d) unchanged |
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Value of Henry’s constant KH: (a) increases with decrease in temperature. (b) decreases with increase in temperature. (c) increases with increase in temperature. (d) remains constant. |
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Solubility of gas in liquid decreases with increase in…… (a) Pressure (b) Temperature (c) Volume (d) Number of solute molecules |
This question bank includes previous years' CBSE subjective questions (2 marks and above) without solutions, along with expert-curated questions. Below are 5 sample subjective questions for Class 12 Chemistry Chapter 1: Solutions. To access all questions, download the PDF from the link provided below.
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1. |
What is Henry’s law? Given one application of it. (CBSE 2023, 2M) |
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Give reasons for the following: (a) Aquatic animals are more comfortable in cold water in comparison to warm water. (b) Sprinkling of salt helps in clearing the snow-covered roads in hilly areas. (CBSE 2023, 2M) |
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State Henry’s law. Calculate the solubility of CO2 in water at 298 K under 760 mm Hg. (KH for CO2 in water at 298 K is 1.25 × 106 mm Hg) (CBSE 2020, 2M) |
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A solution is prepared by dissolving 10 g of non-volatile solute in 200 g of water. It has a vapour pressure of 31.84 mm Hg at 308 K. Calculate the molar mass of the solute. (Vapour pressure of pure water at 308 K = 32 mm Hg) (CBSE 2023, 2M) |
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The vapour pressure of pure liquid X and pure liquid Y at 25 °C are 120 mm Hg and 160 mm Hg respectively. If equal moles of X and Y are mixed to form an ideal solution, calculate the vapour pressure of the solution. (CBSE 2023, 2M) |
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NCERT Science Subjects
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Chapter Name |
Sub Topics of Chapter 1: Solutions |
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Solutions |
1.1 Introduction |
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1.2 Types of Solutions |
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1.3 Expressing Concentration of Solutions |
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1.4 Solubility |
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1.5 Vapour Pressure of Liquid Solutions |
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1.6 Ideal and Non-Ideal Solutions |
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1.7 Colligative Properties and Determination of Molar Mass |
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1.8 Abnormal Molar Masses |
NCERT Class 12 Chemistry Chapter 1, "Solutions," provides an in-depth understanding of the properties and behavior of solutions. Key concepts such as colligative properties, solubility, and molar masses are explored in detail, emphasizing their applications in real-life scenarios.
This chapter is fundamental for understanding solution chemistry and its role in physical and analytical chemistry. Mastery of NCERT Class 12 Solutions is crucial for excelling in competitive exams like CBSE and CUET.
