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Properties of Water Video Lecture | General Awareness for SSC CGL

FAQs on Properties of Water Video Lecture - General Awareness for SSC CGL

1. What are the unique properties of water that make it essential for life?

Ans. Water has several unique properties, including its high specific heat capacity, which allows it to regulate temperature, its solvent properties that facilitate biochemical reactions, and its cohesion and adhesion properties that support capillary action in plants. Additionally, water has a high heat of vaporization, which helps in cooling processes, and its density is maximum at 4°C, causing ice to float, which insulates aquatic ecosystems.

2. How does the structure of water contribute to its properties?

Ans. The structure of water (H₂O) consists of two hydrogen atoms covalently bonded to one oxygen atom, creating a bent molecular shape. This shape leads to polar covalent bonds, resulting in a partial negative charge near the oxygen and a partial positive charge near the hydrogens. This polarity allows water to form hydrogen bonds, which contribute to its high boiling point, surface tension, and ability to dissolve many substances.

3. Why is water considered a universal solvent?

Ans. Water is termed a universal solvent because it can dissolve more substances than any other liquid. This property is due to its polar nature, which allows it to interact with various ionic and molecular compounds. As a result, water can facilitate chemical reactions in biological systems, transport nutrients, and remove waste, making it vital for life processes.

4. What role does water play in temperature regulation in the environment?

Ans. Water plays a crucial role in temperature regulation due to its high specific heat capacity. It can absorb and store large amounts of heat without significantly changing its temperature. This property helps to stabilize temperatures in environments, including oceans and climates, preventing extreme temperature fluctuations. It also allows organisms to maintain homeostasis, as the body can regulate temperature through processes like sweating and respiration.

5. How does water’s density affect aquatic life?

Ans. The density of water is highest at 4°C, which is unusual for liquids. As water cools below this temperature, it expands, causing ice to float. This property creates an insulating layer on the surface of bodies of water, allowing aquatic life to survive underneath even in freezing temperatures. It ensures that lakes and ponds do not freeze solid, providing a stable environment for fish and other organisms during winter months.

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Oct 18, 2025 Last updated

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Video Description: Properties of Water for SSC CGL 2025 is part of General Awareness for SSC CGL preparation. The notes and questions for Properties of Water have been prepared according to the SSC CGL exam syllabus. Information about Properties of Water covers all important topics for SSC CGL 2025 Exam. Find important definitions, questions, notes, meanings, examples, exercises and tests below for Properties of Water.

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	General Awareness for SSC CGL 448 videos\|1497 docs\|288 tests

General Awareness for SSC CGL

448 videos|1497 docs|288 tests

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