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WorksheetsChemistry of the Environment
Total questions: 10
Worksheet time: 5mins
Water covers how many percentage of Earth's surface?
65 %
68 %
72%
75%
Why does water has unusually high melting
and boiling points and a high heat capacity?
Water has extensive hydrogen bonding.
Water itself is a reactant to its reaction.
Water can participate in acid–base
reactions.
Water dissolve a wide range of ionic and
polar-covalent substances.
Which of the following is TRUE?
Water has unusually low melting
and boiling points.
All the water on Earth is connected in a global water cycle.
Most of the processes in water cycle rely on the bonding changes of water.
It is not possible for ice on the ground to sublime to water vapor in the atmosphere.
What do you mean by the salinity of water?
The presence of ice caps and glaciers.
It is the amount of salt present in the water.
It is the mass in grams of dry salts present in 1 kg of seawater.
The constant in composition of hydrogen bond in the water.
If all of the Earth's water were placed into a gallon jug, the freshwater would equal to what amount?
Half a cup
A single cup
A single teaspoon
A single tablespoon
Of the three blue dots in the image, what does the biggest one represent?
All of the water on our planet
All of the salt water on our planet
All of the liquid fresh water on our planet
All of the surface freshwater that is accessible
Living things can survive with limited freshwater, but only if they can do which of the following?
Reflect sunlight.
Adapt to their surroundings.
Store large amounts of water.
Change the color of their hair.
Of the three blue dots in the image, what does the medium-sized dot represent?
All of the water on our planet
All of the salt water on our planet
All of the liquid fresh water on our planet
All of the surface freshwater that is accessible
Of the three blue dots in the image, what does the teeny-tiny dot represents?
All of the water on our planet
All of the salt water on our planet
All of the liquid fresh water on our planet
All of the surface freshwater that is accessible
