Everything Science Grade 11

CHAPTER 8. TYPES OFREACTIONS 8.2 DEFINITION: Oxidation and reduction Oxidation is the loss of an electron by a molecule, atom or ...

8.2 CHAPTER 8. TYPES OFREACTIONS copper sulphate solution zinc granules Method: Add the zinc granules to the copper sulfatesolut ...

CHAPTER 8. TYPES OFREACTIONS 8.3 iii. O 2 (b) Does the hydrogen peroxide (H 2 O 2 ) act as an oxidising agent or a reducing agen ...

8.3 CHAPTER 8. TYPES OFREACTIONS H H C C H H + Br Br H C H Br C H Br H Figure 8.1: The reactionbetween ethene and bromine is an ...

CHAPTER 8. TYPES OFREACTIONS 8.3 Elimination reactions ESBCF An elimination reactionoccurs when a reactantis broken up into two ...

8.3 CHAPTER 8. TYPES OFREACTIONS In this example, a chlorine atom and a hydrogenatom are exchanged to create a new product. Cu(H ...

CHAPTER 8. TYPES OFREACTIONS 8.3 Chapter 8 — Summary See the summary presentation ( Presentation: VPjvj at http://www.everything ...

8.3 CHAPTER 8. TYPES OFREACTIONS For each of the following, say whether the statement is true or false. If the statement is fal ...

The Lithosphere 9 9.1 Introduction ESBCH If we were to cut the Earth in half we would see that our planet is made up of a number ...

9.2 CHAPTER 9. THE LITHOSPHERE 9.2 The chemistry of the earth’s crust ESBCI The crust is made up of about 80 elements, which occ ...

CHAPTER 9. THE LITHOSPHERE 9.3 DEFINITION: Ore An ore is a volume of rock that contains minerals which make it valuable for mini ...

9.4 CHAPTER 9. THE LITHOSPHERE But humans’ explorations into the world of metals did not end here! Insome areas, the ores of iro ...

CHAPTER 9. THE LITHOSPHERE 9.5 Activity: Mining Areas Using any reference resources you have available, try to find a map of the ...

9.5 CHAPTER 9. THE LITHOSPHERE Shaft mining South Africa’s thin butextensive gold reefs slope at an angle underneath the groun ...

CHAPTER 9. THE LITHOSPHERE 9.5 STEP 1 - The ore is crushed until it is in fine pieces STEP 2 - A sodium cyanide (NaCN) solution ...

9.5 CHAPTER 9. THE LITHOSPHERE Activity: Dropping like a gold balloon Read the article below,which has been adaptedfrom one that ...

CHAPTER 9. THE LITHOSPHERE 9.5 Environmental impacts of gold mining ESBCQ However, despite the incredible value of gold and its ...

9.6 CHAPTER 9. THE LITHOSPHERE Suggest some creative ideas that could be used to encourage miningcompanies to reha- bilitate ol ...

CHAPTER 9. THE LITHOSPHERE 9.6 Iron mining and iron oreprocessing ESBCS One of the more common methods of mining for iron ore is ...

9.6 CHAPTER 9. THE LITHOSPHERE iron air blast waste gases coke limestone molten Step 1 Step 2 molten slag iron air blast gases w ...