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Biology 9 Online
OpenStudy (anonymous):

Before you add salt to water, what temperature is closest to the one you have to reduce water to in order for ice crystals to form? A. 10° C B. 0° C C. 32° C D. -4° C

OpenStudy (anonymous):

@cheyyyboo

OpenStudy (anonymous):

B. O degrees C is water's freezing point.

OpenStudy (anonymous):

can u help me i got 4 more i didnt get them

OpenStudy (anonymous):

yepp

OpenStudy (anonymous):

What happened to the freezing point of the water once salt is added? A. It is lowered. B. It is raised. C. It remains the same.

OpenStudy (anonymous):

It is lowered.

OpenStudy (anonymous):

What happened to the freezing point of salt water as you added more and more salt? A. It stayed unchanged at the lower level. B. It lowered. C. It rose. D. It lowered and then rose.

OpenStudy (anonymous):

A. I think. not positive.

OpenStudy (anonymous):

What practical use does adding salt to water have? A. unfreezing glaciers B. freezing the ocean C. keeping ponds liquid D. melting ice on roads and sidewalks

OpenStudy (anonymous):

D

OpenStudy (anonymous):

What must be added to water for it to boil? A. heat energy B. particle motion C. vibration D. all of the above

OpenStudy (anonymous):

...A

OpenStudy (anonymous):

\[thanks~a~lot\]

OpenStudy (anonymous):

hehe lol that last one was the wrong one srry bout that it was only 3 questions

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