1.The easiest way to start grouping substances is bycomparing their physical properties. collect thesamples of following metals – iron, copper,aluminium, magnesium, sodium,…
1.Proteins Function: many, many functions hormones signals from one body system to another insulin movement muscle immune system protect against…
1. BIOLOGY:• CHEMISTRY OF LIFE• Presentation by D.T Nyalunga• University of johannesburg, 2012 2. Element An element is a substance that cannot be broken down to other…
Refrigeration 1.1. Introduction Refrigeration may be defined as the process of achieving and maintaining a temperature below that of the surroundings, the aim being to cool…
Slide 1 Molecules of Life Slide 2 Molecules of life are synthesized by living cells Carbohydrates Lipids Proteins Nucleic acids Slide 3 Organic Compounds Consist…
Slide 1 Properties of Hydrocarbons Slide 2 Physical Properties of Alkanes Non polar compounds Insoluble in water Less dense than water and so will float on top…
Slide 1 MICRONUTRIENTS VITAMINS AND MINERALS Slide 2 OVERVIEW Vitamins are essential for the regulation of the body’s metabolic functions. They are required in small amounts.…
Chapter 15 Solutions REVIEW Chapter 15 Solutions REVIEW World of Chemistry Question 1 A homogeneous mixture is called a _________. Question 1 A homogeneous mixture is called…
Chapter 7: Alkenes and Alkynes Hydrocarbons Containing Double and Triple Bonds Unsaturated Compounds (Less than Maximum H Atoms) Alkenes also Referred to as Olefins Properties…