Biology 11 Chapter 2
Biological Molecules - 9


Biology Class 11
1.    A polar covalent bond is a chemical bond in which shared electrons are pulled closer to the more electronegative atom, making it?




Biology Class 11
2. H2O as a whole is?




Biology Class 11
3.    Because of its polar covalent bonds, water is a?




Biology Class 11
4.    water is a polar molecule means?




Biology Class 11
5.    When hydrogen gas combines with oxygen gas to form water, is the hydrogen reduced or oxidized?




Biology Class 11
6.    The polarity of water molecules makes them ________ with each other?




Biology Class 11
7.    In water molecules the charged regions on each molecule are attracted to oppositely charged regions on neighbouring molecules, forming?




Biology Class 11
8.    In water molecules since the positively charged region in this special type of bond is always ______, the bond is called a ________?




Biology Class 11
9.    In water molecules hydrogen bond is often represented by a dotted line because a hydrogen bond is?




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