Water's Physical Properties

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Test your knowledge of water's key properties.

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Heba Ibrahim

Egypt

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Water's Physical Properties


Water's Physical PropertiesVersion en ligne Test your knowledge of water's key properties. par Heba Ibrahim 1 What is the normal freezing point of pure water at sea level? a -10°C b 0°C c 4°C d 100°C 2 What is the boiling point of water at standard pressure? a 0°C b 100°C c 212°C d 90°C 3 What is the density of water near 4°C compared to air? a About 0.01 g/cm³ b About 0.1 g/cm³ c About 1 g/cm³ d About 10 g/cm³ 4 Water has a high specific heat, meaning it can: a Only heat when frozen b Heat instantly at any temp c Never change temperature d Store a lot of heat with little temperature change 5 What is water’s global solvent property most known for? a Forming crystals easily b Burning fuels c Conducting electricity d Dissolving many substances 6 Which property is responsible for water’s high heat of vaporization? a Low molecular weight b Extensive hydrogen bonding c Metallic bonds d Strong ionic bonds 7 Which is true about water’s heat capacity relative to many substances? a Identical heat capacity b Higher heat capacity c Lower heat capacity d Cannot be defined 8 Water is a good solvent for which type of substances? a Nonpolar gases only b Polar and ionic compounds c All substances equally d Heavy metals only 9 What happens to water’s density as it approaches freezing from above? a Density increases drastically b Density decreases slightly c Remains exactly the same d Vaporizes completely 10 What is the primary reason water is a universal solvent in biology? a High viscosity only b Low surface tension c Color and odor d Polarity and hydrogen bonding 11 Which property helps ice float on liquid water? a Higher density of ice b Water’s dark color c Lower density of ice d Water’s high boiling point Feedback 1 Ice forms at 0°C; -10°C is below freezing, 4°C is near room temp, 100°C is boiling point. 2 Water boils at 100°C at 1 atm; 0°C is freezing, 90°C is below boiling, 212°C is Fahrenheit. 3 Water’s density is ~1 g/cm³ at 4°C; air is far less dense. 4 High specific heat moderates temp; the other statements are incorrect. 5 Water dissolves many ionic and polar substances; not all substances dissolve in it. 6 Hydrogen bonds must be broken to vaporize, requiring lots of energy. 7 Water stores more heat per degree than many liquids. 8 Polar/ionic solutes dissolve well; nonpolar gases don’t dissolve as readily in water. 9 Water density peaks near 4°C and then decreases as it freezes. 10 Polarity and H-bonds enable many substances to dissolve; the others don’t explain universality. 11 Ice is less dense than liquid water, so it remains on top.

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Water's Physical Properties

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À propos de cette activité

Créé par

Téléchargez la version pour jouer sur papier

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Water's Physical PropertiesVersion en ligne

par Heba Ibrahim

What is the normal freezing point of pure water at sea level?

What is the boiling point of water at standard pressure?

What is the density of water near 4°C compared to air?

Water has a high specific heat, meaning it can:

What is water’s global solvent property most known for?

Which property is responsible for water’s high heat of vaporization?

Which is true about water’s heat capacity relative to many substances?

Water is a good solvent for which type of substances?

What happens to water’s density as it approaches freezing from above?

What is the primary reason water is a universal solvent in biology?

Which property helps ice float on liquid water?

Feedback