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Biology, 31.10.2021 08:50 KadaLearns

Hii i promised my school class mate to give them the answer but i completely forgot the answers can some one please help me!? 1. The hydrogen bonds
between water molecules causing a high surface tension, which causes
paperclips ability to float on the
surface if carefully placed.
a. Polarity
b. Hydrophobic
c. Hydrophilic
d. Cohesion
e. Adhesion
f. Capillary Action
g. High Specific Heat
h. Unique Density
i. Universal Solvent

2. Water near it's boiling point 1 point at 75 degrees Celsius and water at room temperature around 40 degrees Celsius seem to have similar
appearances.

a. Polarity
b. Hydrophobic
c. Hydrophilic
d. Cohesion
e. Adhesion
f. Capillary Action
g. High Specific Heat
h. Unique Density
i. Universal Solvent

3. Water, when in it's solid
form, has it's hydrogen bonds be most spaced out. This results in a solid form of water able to float in a liquid form of water.

a. Polarity
b. Hydrophobic
c. Hydrophilic
d. Cohesion
e. Adhesion
f. Capillary Action
g. High Specific Heat
h. Unique Density
i. Universal Solvent

4. Water's polarity allows it to
dissolve likes, other polar substances. When adding NaCI to water, and stirred, the NaCI disappears.

a. Polarity
b. Hydrophobic
c. Hydrophilic
d. Cohesion
e. Adhesion
f. Capillary Action
g. High Specific Heat
h. Unique Density
i. Universal Solvent

5. After student's placed their hand in the tub of water, they removed their hand to notice water molecules still stuck to their hand.

a. Polarity
b. Hydrophobic
c. Hydrophilic
d. Cohesion
e. Adhesion
f. Capillary Action
g. High Specific Heat
h. Unique Density
i. Universal Solvent

6. A piece of healthy celery
was placed in a beaker filled with
water that had BLUE food coloring
added to it. After 24 hours of sitting in the blue dyed water, the celery's roots and leaves began turning blue.

a. Polarity
b. Hydrophobic
c. Hydrophilic
d. Cohesion
e. Adhesion
f. Capillary Action
g. High Specific Heat
h. Unique Density
i. Universal Solvent

7. The Oxygen holds a slightly negative charge, while the
Hydrogens hold a slightly positive
charge, which provides water with this
unique property.

a. Polarity
b. Hydrophobic
c. Hydrophilic
d. Cohesion
e. Adhesion
f. Capillary Action
g. High Specific Heat
h. Unique Density
i. Universal Solvent

8. How are the 2 hydrogen and 1 oxygen elements bonded to form water?

a. lonic Polar Bond

b. Covalent lonic Bond

c. Nonpolar Covalent Bond

d. Polar Covalent Bond

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Answers: 1

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