Water and Its Properties

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What is the chemical formula for water?
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H2O
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What are the three states of water in nature?
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Solid (ice), liquid (water), and gas (water vapor).
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What property of water allows it to dissolve many substances?
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Its polarity and ability to form hydrogen bonds.
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Why is water considered a universal solvent?
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Because it can dissolve more substances than any other liquid.
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What happens to water when it freezes?
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It expands and becomes less dense, which is why ice floats on water.
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At what temperature does water boil?
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100 degrees Celsius (212 degrees Fahrenheit) at sea level.
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What temperature does water freeze at?
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0 degrees Celsius (32 degrees Fahrenheit).
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What is surface tension in water?
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It's the elastic tendency of water's surface which makes it acquire the least surface area possible, caused by hydrogen bonding.
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What property of water helps regulate Earth's climate?
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Its high specific heat capacity, which allows it to absorb and release heat slowly.
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Why is water important for living organisms?
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It is essential for processes like digestion, absorption, transporting nutrients, and temperature regulation.
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What is the pH level of pure water?
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Approximately 7, which is considered neutral.
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What is cohesion in terms of water properties?
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Cohesion refers to water molecules sticking to each other due to hydrogen bonding.
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What is adhesion in water?
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Adhesion is the property that makes water molecules stick to other surfaces.
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What causes water to form droplets?
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The cohesive forces between water molecules due to hydrogen bonds.
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How does water contribute to weathering and erosion?
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Water can break down rocks and soil through physical and chemical processes, contributing to landscape changes.
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