Essential Water (VCE SSCE Chemistry): Quizzes
📚Quizzes
Practise the questions
10 questions from this quiz
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Practise the questions
10 questions from this quiz
What percentage of Earth's surface is covered by water?
What percentage of Earth's surface is covered by water?
Over 70%
What percentage of Earth's total water is fresh water?
What percentage of Earth's total water is fresh water?
2.5%
What percentage of fresh water on Earth is accessible for human use?
What percentage of fresh water on Earth is accessible for human use?
0.5%
How deep does the Great Artesian Basin extend in some places?
How deep does the Great Artesian Basin extend in some places?
Up to 3,000 m
Which water source has the lowest contamination risk?
Which water source has the lowest contamination risk?
Mains water
How many hydrogen bonds can each water molecule form?
How many hydrogen bonds can each water molecule form?
Four
How does water's boiling point compare to other group 16 hydrides of similar or larger mass?
How does water's boiling point compare to other group 16 hydrides of similar or larger mass?
Highest despite smallest mass
What is the density of solid ice compared to liquid water?
What is the density of solid ice compared to liquid water?
Lower (0.917 g/mL vs 0.997 g/mL)
Why is ice less dense than liquid water?
Why is ice less dense than liquid water?
Open crystal lattice with wide spacing
What temperature does water beneath ice maintain in frozen lakes?
What temperature does water beneath ice maintain in frozen lakes?
Approximately 4°C