AS Water

Identify the type of bond that forms between an oxygen atom and a hydrogen atom in a molecule of water

• Hydrogen bond

• Ionic bond

• Hydrophobic interaction

• Covalent bond

What is the maximum number of hydrogen bonds that can form between one water molecule and other water molecules?

• 1

• 2

• 3

• 4

State the type of bond that forms between two water molecules

Identify the charge of the oxygen atom in a molecule of water

• Neutral

• Slightly negative

• Strongly negative

• Slightly positive

What term describes the property of water because water molecules stick together?

• Specific heat capacity

• Solvent

• Adhesion

• Cohesion

State the component of blood that is a straw coloured liquid made from water in which solutes are dissolved

Identify the biological importance of water having a high latent heat of vapourisation.

• Coolant

• Transpiration in plants

• Transport of solutes

• Solvent in which chemical reactions can take place

State the chemical reaction in which water is added to break bonds

Which organs of the body have a role in maintaining water balance?

• Pancreas

• Lungs

• Kidneys

• Stomach

What term describes a water molecule because of its different charges?