2.2.U1 Water molecules are polar and hydrogen bonds form between them.
2.2.U2 Hydrogen bonding and dipolarity explain the cohesive, adhesive, thermal and solvent properties of water.
2.2.U3 Substances can be hydrophilic or hydrophobic.
2.2.A1 Comparison of the thermal properties of water with those of methane.
2.2.A2 Use of water as a coolant in sweat.
2.2.A3 Modes of transport of glucose, amino acids, cholesterol, fats. oxygen, and sodium in blood in relations to their solubility in water.
2.2.NOS Use of theories to explain natural phenomena- the theory that hydrogen bonds form between water molecules explain the properties of water.
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