Matter, Water & pH Bellringer
Con il contributo di:
Cook
- 1. When electrons are not shared equally between two atoms, some atoms have a slight positive charge and some atoms have a slight negative charge
A) Polar
B) Base
C) Cohesion
D) Adhesion
E) Neutral
- 2. What property of water allows ice to float on the surface of ponds in winter?
A) Universal solvent
B) Adhesion
C) Cohesion
D) Less dense as a solid than liquid
- 3. A property of water that refers to water's ability to move up a thin tube (like a plant stem) because of cohesion and adhesion
A) Cohesion
B) Surface Tension
C) Proton
D) Universal Solvent
E) Capillary Action
- 4. The tendency for water molecules to stick together when at the boundary of a gas and a liquid is
A) Universal Solvent
B) Less dense as a solid than liquid
C) Surface Tension
D) Cohesion
E) Adhesion
- 5. What charge does the hydrogen side of water possess?
A) Positive
B) Neutral
C) Negative
- 6. Substances that have a pH greater than 7 are called
A) Acid
B) Neutral
C) Alkaline
- 7. A bond between two atoms in which electrons are shared.
A) Ionic
B) Hydrogen
C) Covalent
- 8. The negative particle found on the outside of the atom is called a(n)
A) Electron
B) Proton
C) Neutron
A) A property of water that refers to water's ability to lose density as it becomes a solid
B) A property of water that refers to water's ability to stick to other substances
C) A property of water that refers to water's ability to stick to itself
D) A property of water that refers to water's ability to absorb heat
- 10. Water is unable to dissolve oils because
A) Oils are too acidic
B) Oils do not have a charge
C) Oils are too basic
D) Oils have a strong charge
- 11. Human blood is mostly composed of water. This makeup is critical, as the water allows nutrients, gases, and waste products to easily dissolve in the blood to be moved quickly to and from cells. This is an example of which property of water?
A) Adhesion
B) Cohesion
C) Universal solvent
D) Less dense as a solid than as a liquid
- 12. Substance A has a pH of 3.4. Substance B has a pH of 4.3. Which substance is a stronger acid?
A) They are equally strong acids
B) Substance B
C) Substance A
- 13. What property of water is on display in the picture below?
A) Less dense as a solid than a liquid
B) Adhesion
C) Universal Solvent
D) Cohesion
- 14. What type of bond is responsible for holding the water molecules in the picture below to one another?
A) Ionic
B) Covalent
C) Hydrogen
D) Strong
- 15. Substance A has a pH of 10.2. Substance B has a pH of 13.5. Which substance is a stronger alkaline?
A) Substance A
B) Substance B
|