All of the following are general functions of the muscular system except:

Obesity increases the risk for which of the following health problems?

10.8 Which is the most reactive element in Group 7?   A Florien B Bromine C Chlorine D Iodine [1]

Product diversification tends to increase firm size and may lower firm risk. These effects tend to increase  ________ and to decrease ________. Because these effects benefit managers more than shareholders, product diversification can be an indicator of agency problems.

  QUESTION 4   The following reaction take place between 20cm3  hydrochloric acid at a concentration of 0,1 mol.dm-3 and marble chips (Calcium carbonate). 2HCl +CaCO3 — > CaCl2 + CO2 + H2O     4.1 How many moles of HCl reacted? [2]   4.2 How many moles of CO2 gas formed? [1]   4.3 What mass of CaCl2 formed? Ar(Ca)= 40 and Ar(Cl) = 35,5 [2]   4.4 Above is an acid base reaction. Name two characteristics of an acid. [2]   4.5 How would you test the gas formed by the reaction (CO2)? [2]         [9]

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)