When Amanda poured some of the liquid in a test tube, she noticed that the edges of the water curved upward, which is an example of ____
.
When Pol filled another test tube to the top, the liquid formed a low dome, which is evidence of _
.
When Amanda added table salt to the first test tube and shook it, she noted that the liquid had dissolved the __
.
All of these observations indicated the presence of _
bonds.
Pol determined that the pH of the sample is 7, which shows the sample is
.
Based on all of the evidence Amanda and Pol gathered, the unknown liquid is_
.

WORD BANK:
acid
adhesion
base
cohesion
covalent
hydrogen
ionic
neutral
solute
solvent
vinegar
water

Question

25-09-2018
Biology

contestada

When Amanda poured some of the liquid in a test tube, she noticed that the edges of the water curved upward, which is an example of ____
.
When Pol filled another test tube to the top, the liquid formed a low dome, which is evidence of _
.
When Amanda added table salt to the first test tube and shook it, she noted that the liquid had dissolved the __
.
All of these observations indicated the presence of _
bonds.
Pol determined that the pH of the sample is 7, which shows the sample is
.
Based on all of the evidence Amanda and Pol gathered, the unknown liquid is_
.

WORD BANK:
acid
adhesion
base
cohesion
covalent
hydrogen
ionic
neutral
solute
solvent
vinegar
water

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chisnau chisnau · Answer 1 · 2018-10-04T23:04:08+02:00

When Amanda poured some of the liquid in a test tube, she noticed that the edges of the water curved upward, which is an example of adhesion.

When Pol filled another test tube to the top, the liquid formed a low dome, which is evidence of cohesion.

When Amanda added table salt to the first test tube and shook it, she noted that the liquid had dissolved the solute.

All of these observations indicated the presence of covalent bonds.

Pol determined that the pH of the sample is 7, which shows the sample is neutral.

Based on all of the evidence Amanda and Pol gathered, the unknown liquid is water.

batolisis batolisis · Answer 2 · 2021-09-04T13:32:09+02:00

Using the options provide below the answer to your questions are :

Adhesion
Cohesion
Solute
Covalent bonds
Neutral
Water

When Amanda poured some of the liquid in a test tube and the edges of the water makes a curve upwards is an adhesion because the water and the test tube clings together even though they are of different surfaces

The formation of a low dome when a test tube is filled with a liquid shows cohesion because there is an intermolecular force between the adjacent sides of the liquid

Solute is a substance that dissolves in a solvent to form a homogenous solution hence the added salt that is added and dissolves in the liquid is a solute.

Covalent bonds is the sharing of electorns between two or ore atoms and the various observations indicates a form of electron share.

Water has a pH of 7 hence the liquid determined by Pol is water

The unknown liquid used for this experiment is water .

Hence from the options listed in the question the correct answers are as listed above

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