Chemistry Chapter 2
Explore the Mysteries of Water
Test your knowledge of chemistry and the fascinating properties of water with our 26-question quiz. Understand how this essential resource affects our planet and daily lives.
- Learn about the states of water and its unique properties.
- Discover the importance of freshwater in our ecosystem.
- Engage with fun and informative multiple-choice and checkbox questions!
What is the most widespread liquid in the world?
Water
Sulfur
Chlorine
Helium
What are the only substances that can turn into a solid, liquid and gas? (select multiple answers)
Carbon
Hydrogen
Sulfur
Fluorine
Water
What's the amount of freshwater on Earth? (multiple answers are possible)
5000 km³
9000 km³
11000 km³
14000 km³
20000 km³
What percentage of the world's water is fresh?
70%>
50%
25%
5%
2.5%
1.25%
<1%
What percentage of freshwater is drinkable?
100%
75%
50%
25%
15%
5%
3%
1%
How is the world provided with drinkable freshwater water?
Because of the water cycle
Because of the water in the soil
Because of the water in ice
'Sea water evaporates, this causes the salt to stay behind, the freshwater returns through rain.'
True
False
'Rising temperatures increase the amount of drinkable freshwater.'
True
False
What are the special properties of water?
Ice has a higher density than water
Ice has a lower density than water
Water easily retains heat
Water changes from temperature inconsistently
Water has a high boiling point
Water has a low boiling point
Water has a high dissolving capacity
Water has a low dissolving capacity
When a substance is dissolved, which of the bonds break?
The bonds of the solid
The bonds of the solution
The bonds of both the solid and the solution
'When the bonds of a substance break down (when dissolved), they don't get repaired.'
True
False
What is a solution?
A mixture that is always clear
A mixture that is always turbid
What is a suspension?
A mixture that is always clear
A mixture that is always turbid
'A suspension is a mixture that consists of two hydrophobic substances.'
True
False
'The maximum number of grams of that substance can be dissolved in a kilogram of a certain solvent.'
Risibility
Solubility
Tractability
How does increasing temperature affect the solubility of a solid?
It increases
It decreases
It doesn't affect it
How does increasing temperature affect the solubility of a liquid?
It increases
It decreases
It doesn't affect it
How does increasing temperature affect the solubility of gas?
It increases
It decreases
It doesn't affect it
What type of bond is the red line?
Van der Waals bond
Covalent bond
Hydraulic bond
None of the above
If you've selected 'None of the above', what should the answer be then?
Hydrophilic bond
Hydrophobic bond
Hydrogen bond
Hydroiodic bond
What is desalination?
Mixing one substance with another
Making water fresh by removing its mineral components
Removing a liquid from gas
Removing fat from butter
Making a turbid substance clear
What are the methods for desalination? (select multiple answers)
Distillation
Membrane filtration
Evaporation
Extraction
How are the separation methods called that are based on the difference in boiling points? (select multiple answers)
Distillation
Evaporation
Extraction
Membrane filtration
Filtration
Absorption
Centrifuge
How are the separation methods called that are based on the difference in particle size? (select multiple answers)
Distillation
Evaporation
Extraction
Membrane filtration
Filtration
Absorption
Centrifuge
How is the separation method called that is based on the difference in density?
Distillation
Evaporation
Extraction
Membrane filtration
Filtration
Absorption
Centrifuge
How is the separation method called that is based on the ability to stick to a substance?
Distillation
Evaporation
Extraction
Membrane filtration
Filtration
Absorption
Centrifuge
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