5.3 What impact has COVID-19 had on global trade? (2)

  QUESTION 7   Fluorine, chlorine, bromine and iodine are four elements in group 7 of the periodic table.   7.1 Complete the chemical equation of the below and balance it (2)     2KI + Cl2  

3.2 Name at least 2 countries involved in colonising AFRICA (2)

6.3 Explain how the Greenhouse effect works? (2)

2.3 From which direction would you come for the easiest climb to the peak of Bushy Mountain? (1)

INSTRUCTIONS 1. Ensure that you answer all the questions. 2. You will have 30 minutes to scan and upload your test. Name your file NAME_IG_JUNE_EXAM.

6.4 There are different factors that affect climate. List these FOUR factors (4)

6.3 What is a depression and give an example of a depression? (2)

6.2 Meteorologists collect evidence to prove that climate change is happening. List two examples of the evidence that is collected and explain what is happening. (4)

  QUESTION 6   The properties of substances A to G are shown in the following table: Substance Melting point (°C) Electrical conductivity Solubility in water     solid liquid   A -112 poor poor insoluble B 680 poor good soluble C -70 poor poor insoluble D 1495 good good insoluble E 610 poor good soluble F 1610 poor poor insoluble G 660 good good insoluble       6.1 Which of the seven substances are metals? Give reasons for your choice. (2)   6.2 Which of the substances are ionic compounds? Give reasons for your choice. (2)   6.3. Two of the substances have very low melting points, compared with the rest. Explain why these could not be ionic compounds. (1)   6.4. Two of the substances are molecular. Which two are they? (1)   6.5. Which substance is a giant covalent structure?  Give reasons for your choice. (2)       [8]