1)Which of the following is NOT a true property of water?
A-Water is a good solvent dissolving a wide variety of substances.
B-Water has a high ice density allowing ice to sink when present with liquid water.
C-Water has strong cohesion allowing it to bead up on a surface rather than disperse.
D-Water has a high heat capacity allowing it to absorb a great deal of heat with little rise in temperature.
3. Which of the following is responsible for lowering the activation energy required for a chemical reaction?
A-Enzyme
B-Ion
C-Covalent bond
D-Homeostasis
What type of bonds form between molecules of water to aid in cohesion?
A-Ionic
B-Covalent
C-Polar
D-Hydrogen
5. A solution is found to be a strong base. Which of the following would be true?
A-The solution has a higher concentration of hydroxide ions than hydrogen ions.
B-The solution has a lower concentration of hydroxide ions than hydrogen ions.
C-The solution has equal concentrations of hydroxide ions and hydrogen ions.
Which of the following is a property of water that allows for it to be easily attracted to solid materials such as glass?
A-Cohesion
B-Adhesion
C-Good solvent
D-Structural support
List all of the following actions that a living thing must be able to carry out.
A-interact with their environment
B-obtain and use materials for energy
C-maintain a stable internal environment
D-grow and develop
Please help me.
4 answers
A
D
C
A
A,B,C
1 answer