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Impact of Metals on Living Systems and the Environment · CSEC Chemistry

41 past-paper questions on Impact of Metals on Living Systems and the Environment, part of Inorganic Chemistry, from every CSEC Chemistry paper on Quelpr.

Practise Impact of Metals on Living Systems and the Environment
  1. 4(b)3 marks· Chemistry Q4 4(b)Explain the observations expected for EACH part.
  2. 5(a)3 marks· Chemistry Q5 5(a)State the property of metals that is responsible for corrosion and describe the process of corrosion.
  3. 5(b)3 marks· Chemistry Q5 5(b)Write THREE relevant chemical equations for the corrosion of iron.
  4. 5(b)(i)2 marks· Chemistry Q5 5(b)(i)List the conditions necessary for the corrosion of iron.
  5. 5(b)(ii)2 marks· Chemistry Q5 5(b)(ii)In humans, iron is found in haemoglobin which is responsible for the transfer of oxygen throughout the body. Suggest how a lack of iron in the human diet could affect the body.
  6. 5(b)(ii)1 mark· Chemistry Q5 5(b)(ii)Why is painting effective in preventing iron from rusting?
  7. 5(b)(ii)a)3 marks· Chemistry Q5 5(b)(ii)a)List TWO sources of lead as a pollutant.
  8. 5(b)(ii)b)1 mark· Chemistry Q5 5(b)(ii)b)Name ONE effect that lead as a pollutant has on the environment.
  9. 5(c)2 marks· Chemistry Q5 5(c)Further investigations reveal that on exposure to oxygen, the metal Q becomes chemically inert. State a possible reason for this.
  10. 5(c)7 marks· Chemistry Q5 5(c)Explain why the corrosion of aluminium is beneficial while that of iron is not. In your answer, you should refer to the products of corrosion and their properties.
  11. 5(e)3 marks· Chemistry Q5 5(e)Name the compound of iron that is found in the blood and explain how a lack of iron would affect the human body.
  12. 6(a)(i)2 marks· Chemistry Q6 6(a)(i)State the TWO conditions necessary for the corrosion of a metal.
  13. 6(a)(i)2 marks· Chemistry Q6 6(a)(i)Identify ONE element that is essential for plant growth and state ONE effect of its deficiency.
  14. 6(a)(i)5 marks· Chemistry Q6 6(a)(i)Discuss the importance of magnesium in plant health, and explain how a magnesium deficiency can result in the low yield of tomatoes.
  15. 6(a)(ii)6 marks· Chemistry Q6 6(a)(ii)State whether corrosion will occur for EACH of the test tubes shown in Figure 2. Give ONE reason to support your answer in EACH case. Test tube A, Test tube B, Test tube C.
  16. 6(a)(ii)2 marks· Chemistry Q6 6(a)(ii)State ONE other metal ion which is important to plant health and state the result of its deficiency.
  17. 6(a)(ii)4 marks· Chemistry Q6 6(a)(ii)Design an experiment to investigate the effect of the deficiency stated in (a) (i) above on plant growth.
  18. 6(a)(iii)1 mark· Chemistry Q6 6(a)(iii)Suggest the reason why the boiled water was covered with oil in Test tube B.
  19. 6(b)9 marks· Chemistry Q6 6(b)The use of landfills, incinerators and recycling are three major methods used for solid waste disposal. Discuss the advantages and disadvantages of using these THREE methods in the Caribbean. For EACH method, identify…
  20. 6(b)(ii)2 marks· Chemistry Q6 6(b)(ii)Garbage disposal
  21. 6(b)(ii)2 marks· Chemistry Q6 6(b)(ii)Explain why the corrosion of aluminium is beneficial.
  22. 6(c)3 marks· Chemistry Q6 6(c)Define 'green chemistry' and discuss the measures that have been taken to produce a 'greener' automotive fuel.
  23. 6(c)3 marks· Chemistry Q6 6(c)"Some metals can be useful to man but yet harmful to the environment." Comment on this statement with reference to mercury.
  24. 6(c)3 marks· Chemistry Q6 6(c)Identify TWO such disadvantages and suggest ONE way to address ONE of these disadvantages.
  25. 6(c)(i)2 marks· Chemistry Q6 6(c)(i)What is meant by the term 'Green Chemistry'?
  26. 6(c)(i)1 mark· Chemistry Q6 6(c)(i)Identify which of the metals used in the experiment in (b) is MOST hazardous to the environment.
  27. 6(c)(ii)4 marks· Chemistry Q6 6(c)(ii)Discuss TWO benefits of utilizing the principles involved in Green Chemistry.
  28. 6(c)(ii)2 marks· Chemistry Q6 6(c)(ii)State TWO harmful effects of continuous exposure to the metal identified in (c)(i) on human beings.
  29. 7(a)(i)4 marks· Chemistry Q7 7(a)(i)What is meant by the term 'humus' as it relates to soil?
  30. 7(a)(ii)4 marks· Chemistry Q7 7(a)(ii)State THREE reasons why humus is an important component of soil.
  31. 7(c)4 marks· Chemistry Q7 7(c)Suggest ONE advantage and ONE disadvantage EACH of biological and chemical control of pests.
  32. 7(d)(i)2 marks· Chemistry Q7 7(d)(i)What is meant by the term 'hydroponics'?
  33. 7(d)(ii)4 marks· Chemistry Q7 7(d)(ii)Advise Mrs. Wills on TWO advantages and TWO limitations of setting up such a farm.
  34. 4(c)(ii)10 marks· CSEC Chemistry · January 2002 · Paper 2Explain why iron rusts and aluminium does not rust, supporting your answer with suitable balanced equations.
  35. 6(b)6 marks· CSEC Chemistry · January 2002 · Paper 2State THREE advantages and THREE disadvantages of organic farming.
  36. 6(c)(i)3.5 marks· CSEC Chemistry · January 2002 · Paper 2Define biological control and discuss the possible long-term implications of its widespread use.
  37. 6(c)(ii)3.5 marks· CSEC Chemistry · January 2002 · Paper 2Define chemical control and discuss the possible long-term implications of its widespread use.
  38. Q391 mark · multiple choice· CSEC Chemistry · January 2018 · Paper 1Which of the following elements is an important constituent of chlorophyll?
  39. Q411 mark · multiple choice· CSEC Chemistry · January 2019 · Paper 1Which of the following metals is an important constituent of chlorophyll?
  40. Q581 mark · multiple choice· CSEC Chemistry · May/June 2015 · Paper 1Although aluminium is more reactive than iron, aluminium becomes corrosion resistant when left exposed to the atmosphere while iron corrodes. This is because the
  41. Q591 mark · multiple choice· CSEC Chemistry · May/June 2015 · Paper 1Which of the following substances is an important constituent of chlorophyll?

Related topics in Inorganic Chemistry