Waater and lyfe Flashcards
1
Q
Most properties of water can be explained by
A
hydrogen bond
2
Q
Hydrogen bond is formed between slightly positively hydrogen atom (H) and a slightly negatively charged atom which may be ______.
A
oxygen and nitrogen
3
Q
Hydrogen bonds hold water molecules together to form an upward transport of continuous water column in plants. This property is known as
A
cohesion
4
Q
Adhesion of water molecules to the cell wall by hydrogen bond helps
A
resist the downward pull of gravity
5
Q
Surface tension is defined as
A
how difficult it is to stretch or break the surface of a liquid
6
Q
Sugar dissolves in water due to
A
the formation of hydrogen bond.
7
Q
Salt dissolves in water due to
A
the attraction between oppositely charged ions
