Quelpr

Acids, Bases, Mixtures and Household Chemicals · CSEC Integrated Science

33 past-paper questions on Acids, Bases, Mixtures and Household Chemicals, part of Section B: The Home and Workplace, from every CSEC Integrated Science paper on Quelpr.

Practise Acids, Bases, Mixtures and Household Chemicals
  1. 1(e)(iii)1 mark· CSEC Integrated Science · 2006 · Paper 2Why was the same volume (5 cm³) of hydrochloric acid added to EACH of the three metals?
  2. 4(a)(i)1 mark· CSEC Integrated Science · 2009 · Paper 2List the physical states of the materials usually present in Section A.
  3. 4(a)(ii)2 marks· CSEC Integrated Science · 2009 · Paper 2Name the process occurring in each of the labelled sections: B and C.
  4. 4(a)(iii)1 mark· CSEC Integrated Science · 2009 · Paper 2The distillation flask contains liquids W (b.p. 180 °C), X (b.p. 60 °C) and Y (b.p. 100 °C). Which will be collected in the receiver first?
  5. 6(b)4 marks· CSEC Integrated Science · May/June 2011 · Paper 2Suggest TWO safety precautions to follow when reacting aluminium with sulphuric acid, providing a reason for each precaution.
  6. 1(b)(i)2 marks· CSEC Integrated Science · May/June 2012 · Paper 2Suggest TWO possible dangers to Mr Allen when he uses these cleaners.
  7. 1(b)(ii)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2Name ONE piece of safety equipment which Mr Allen should wear when using these cleaners.
  8. 1(b)(iii)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2Which of the two common cleaners has a HIGHER pH?
  9. 1(c)(i)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2Name the chemical process by which the base, calcium carbonate, reacts with excess stomach acid.
  10. 1(c)(ii)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2Write a simple word equation to express the chemical reaction in (c)(i).
  11. 1(d)(i)3 marks· CSEC Integrated Science · May/June 2012 · Paper 2Read the height of EACH lather column from Figure 1 and record it in the appropriate section of Table 1.
  12. 1(d)(ii)4 marks· CSEC Integrated Science · May/June 2012 · Paper 2On the grid provided on page 5, plot the data from the table completed in (i) above.
  13. 1(d)(iii)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2Label the axes on the graph.
  14. 1(d)(iv)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2State an appropriate title for the graph.
  15. 1(d)(v)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2Write a statement about the relationship between the height of lather obtained and the hardness of the water.
  16. 5(a)6 marks· CSEC Integrated Science · May/June 2012 · Paper 2Identify THREE safety hazards from Figure 7 and suggest ONE safety practice for EACH hazard identified.
  17. 5(b)2 marks· CSEC Integrated Science · May/June 2012 · Paper 2State ONE method that can be used to extinguish EACH of the following fires: • Bush fire • Electrical fire
  18. 5(c)2 marks· CSEC Integrated Science · May/June 2012 · Paper 2A pot of oil accidentally catches fire in a restaurant. The chef quickly grabs a water hose to extinguish it. Is this an appropriate method to extinguish the fire? Explain your answer.
  19. 5(e)1 mark· CSEC Integrated Science · May/June 2012 · Paper 2Identify the hazard represented by the safety symbol shown in the illustration.
  20. 2(a)(i)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2State TWO properties of acids.
  21. 2(a)(ii)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2State TWO properties of bases.
  22. 2(c)(i)1 mark· CSEC Integrated Science · May/June 2014 · Paper 2State what the term pH means.
  23. 2(c)(ii)1 mark· CSEC Integrated Science · May/June 2014 · Paper 2Identify which substance in Table 2 is NOT an acid.
  24. 2(c)(iii)1 mark· CSEC Integrated Science · May/June 2014 · Paper 2Identify which of the two acids in Table 2 is stronger.
  25. 2(d)(i)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2Give TWO reasons why bleach is NOT the most appropriate substance to remove the paint.
  26. 2(d)(ii)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2Suggest a suitable method to remove the paint from her dress and explain how this method works.
  27. 2(e)2 marks· CSEC Integrated Science · May/June 2014 · Paper 2State TWO safety precautions to follow when using the paint removal method suggested in (d)(ii).
  28. 2(c)(iii)1 mark· CSEC Integrated Science · May/June 2016 · Paper 2State ONE safety precaution to take when chlorinating the pool.
  29. 3(b)(i)1 mark· CSEC Integrated Science · May/June 2016 · Paper 2Name a substance that can be used to measure the pH of toothpaste.
  30. 3(b)(ii)2 marks· CSEC Integrated Science · May/June 2016 · Paper 2Arrange the four toothpaste brands in descending order of acidity (most acidic first) using their letters.
  31. 3(b)(iii)2 marks· CSEC Integrated Science · May/June 2016 · Paper 2Identify the toothpaste brand with an incorrect pH in Table 2 and give a reason.
  32. 3(b)(iv)1 mark· CSEC Integrated Science · May/June 2016 · Paper 2State a possible source of error that may have caused Frank to obtain the incorrect result.
  33. 3(c)(iii)2 marks· CSEC Integrated Science · May/June 2016 · Paper 2Explain the scientific principle by which antacids relieve digestive problems.

Related topics in Section B: The Home and Workplace