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Q 1/10
Score 0
Carbon has an atomic number of 12. Carbon-14 would be considered a(n):
30
ion
noble gas
radical
isotope
Q 2/10
Score 0
Salt and other compounds dissolve easily in water, this makes water a useful:
30
cohesive
acid
solvent
bond agent
10 questions
Q.
Carbon has an atomic number of 12. Carbon-14 would be considered a(n):
1
30 sec
Q.
Salt and other compounds dissolve easily in water, this makes water a useful:
2
30 sec
Q.
When water freezes, it becomes less dense, which causes what direct result:
3
30 sec
Q.
When a solution has an excess of hydrogen ions (H+), the solution is:
4
30 sec
Q.
Water has a high heat capacity, this is important for life on earth because:
5
30 sec
Q.
The cohesion of water creates:
6
30 sec
Q.
Water's polarity causes what additional property?
7
30 sec
Q.
Why is the fact that ice floats important for life on earth?
8
30 sec
Q.
A solution with a pH of 9 would be considered:
9
30 sec
Q.
Transpiration occurs in plants when water evaporates from their leaves and effectively pulls water up from the roots. This would not be possible if it weren't for which property of water?
