Properties of water

Question 1

Water having partial positive and negative charges due to unequal sharing of electrons is known as:

Answer 1

Polarity

Question 2

The (-) oxygen of one water molecule attracts the (+) hydrogen of another water molecule, allowing them to connect is known as:

Answer 2

Hydrogen bond

Question 3

Oxygen has a _______ charge

Answer 3

Negative

Question 4

Hydrogen has a ________ charge

Answer 4

Positive

Question 5

________ is when water molecule stick together because of hydrogen bonding in formed surface tension. The molecule typically form a droplet.

Answer 5

Cohesion

Question 6

A special form of cohesion that causes the surface of water to resist rupture and allow bugs to walk across is known as __________ __________

Answer 6

Surface tension

Question 7

_________ is known as water molecule sticking to something other than water due to attraction of charges. Example: keeps the droplets of water stuck to the plant.

Answer 7

Adhesion

Question 8

Another name for “ tubes inside plants that transports water” is: ______

Answer 8

Xylem

Question 9

_________ _________ is known as a tendency of water to move along the surface of a substance due to adhesion. Water molecules “ pull” each other up.

Answer 9

Capillary action

Question 10

Frozen water (ice) always ________ because it is less dense as a solid

Answer 10

Floats

Question 11

______ ______ _______ takes a lot of energy to raise the temperature of a certain amount of water

Answer 11

High specific heat

Question 12

Water is known to be a _________ solvent because it can dissolve many polar ionic substance because of the partial charges within the water molecule

Answer 12

Universal

Question 13

_________ usually liquid substance capable of dissolving or dispersing one or more other substance

Answer 13

Solvent

Question 14

________ is the minor component in a solution, dissolved in the solvent

Answer 14

Solute

Question 15

Salt and sugar can dissolve in water (water loving), this means they are ____________

Answer 15

Hydrophilic

Question 16

Oil cannot dissolve in water (water fearing), this means oil is ____________

Answer 16

Hydrophobic

Question 17

__________ it’s typically a higher number on the pH scale, also known as “basic”

Answer 17

Alkaline

Question 18

__________ is typically number seven on the pH scale, not acidic, but not basic.

Answer 18

Neutral

Question 19

________ is typically a lower number on the pH scale

Answer 19

Acidic

Question 20

Water is less _______ as a solid. This is why ice floats.

Answer 20

Dense

Question 21

Oil is what kind of polar

Answer 21

Non-polar

Question 22

Water is what polar

Answer 22

Polar