(Question)
Q: Halides of the transition metals become more covalent with increasing oxidation state and are more prone to what? Choices: - comproportionation - cycloaddition - decarbonylation - hydrolysis A:
(Answer)
hydrolysis

(Question)
Q: Which system is capable of responding quickly to changing situations? Choices: - endocrine system - reproductive system - circulatory system - nervous system A:
(Answer)
nervous system

(Question)
Q: What is the rigid layer that is found outside the cell membrane and surrounds the cell? Choices: - cell barrier - cell shield - cell root - cell wall A:
(Answer)
cell wall