4.1 Study the following incomplete equations for organic reactions I and II.Compounds P and Q are ORGANIC compounds and T is an INORGANIC compound. For reaction I, write down the:4.1.1 Type of reaction that takes place (1) 4.1.2 IUPAC name of compound P (2)4.1.3 NAME or FORMULA of compound T (1) For reaction II, write … Read more
4.1 What is meant by an isolated system in physics? (2) During an experiment, a rocket of unknown mass is mounted on a toy cart of mass 20 kg. The cart-rocket combination moves at a constant speed of 2,5 m∙s-1 along a horizontal floor.At a certain instant, the rocket is fired horizontally in the direction … Read more
4.1 Compound P is used as a starting reactant in each of two reactions as shown in the flow diagram below.
4.1 The flow diagram below shows the conversion of propane to propan-2-ol. 4.1.1 State ONE reaction condition for Step 1. (1) 4.1.2 Write down the NAME or FORMULA of the INORGANIC productformed in Step 1. (1) 4.1.3 Name the TYPE of substitution reaction represented by Step 2. (1) 4.1.4 Write down the NAME or FORMULA … Read more
A simple rocket system consists of two parts, A of mass 3m, and B of mass 2m, asshown in the diagram below. B is stacked on top of A. Ignore ALL external forces on the rocket.4.2 Calculate the velocity of B in terms of v immediately after the internalexplosion. (5)The graph below shows the average … Read more
QUESTION 4: UNDERSTANDING OTHER ASPECTS OF THE MEDIA Study TEXT E and TEXT F and answer the set questions. TEXT E: CARTOON QUESTIONS: TEXT E 4.1 Refer to FRAMES 1 and 2. How does the dialogue reflect the two characters’ attitudes toward theircustomers? (2) 4.2 Refer to FRAMES 3 and 4. Comment on the effectiveness … Read more
QUESTION 4: MY CHILDREN! MY AFRICA! Read the extracts from the play below and answer the questions set on each.The number of marks allocated to each question serves as a guide to the expectedlength of your answer. NOTE: Answer the questions set on BOTH extracts, i.e. QUESTION 4.1 ANDQUESTION 4.2. 4.1 EXTRACT G[Isabel addresses the … Read more
QUESTION 4: MY CHILDREN! MY AFRICA! Read the extracts from the play below and answer the questions set on each.The number of marks allocated to each question serves as a guide to the expectedlength of your answer. NOTE: Answer the questions set on BOTH extracts, i.e. QUESTION 4.1 AND QUESTION 4.2. 4.1 EXTRACT G [Mr … Read more
4.1 Why has the cartoonist included a ‘Z’ in FRAME 2? (1) 4.2 Refer to FRAMES 3–5.Explain how the dog’s actions convey its excitement. (2) 4.3 Describe how Dagwood’s actions in FRAME 7 are in contrast to his actions inFRAME 6. Refer to the visual aspects ONLY. (2) 4.4 Refer to FRAME 7.4.4.1 Rewrite the … Read more
4.1 Refer to FRAME 2.What evidence is there that the cellphone is ringing? State TWO points. (2) 4.2 Refer to FRAME 3.4.2.1 Rewrite the following question in more formal English.‘Hi Jon! What’s up?’ (2)4.2.2 Explain why the cartoonist uses two different types of speechbubbles in this frame. (2) 4.3 Refer to FRAMES 5 and 6.Explain … Read more