GCSE Chemistry – pH conditions
Learning Objectives
-I can describe the colours of litmus paper at different pH levels
-I can describe the advantages to the use of a pH probe
-I can interpret pH numbers
-I can recall that acidity is caused by H^+ ions
-I can recall that alkalinity is caused by OH^- ions
-I can recall examples of strong and weak acids and alkalis
-I can describe the process of neutralisation
-I can recall that neutralisation is endothermic
-I can define the term “alkali”
Quiz Summary
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Question 1 of 45
1. Question
What is an indicator?
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Question 2 of 45
2. Question
What type of paper can be used as an indicator?
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Question 3 of 45
3. Question
What type of paper can be used as an indicator?
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Question 4 of 45
4. Question
What colour is red litmus paper in acidic conditions?
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Question 5 of 45
5. Question
What colour is red litmus paper in neutral conditions?
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Question 6 of 45
6. Question
What colour is red litmus paper in alkaline conditions?
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Question 7 of 45
7. Question
What colour is blue litmus paper in acidic conditions?
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Question 8 of 45
8. Question
What colour is blue litmus paper in neutral conditions?
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Question 9 of 45
9. Question
What colour is blue litmus paper in alkaline conditions?
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Question 10 of 45
10. Question
Why is using a pH probe beneficial?
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Question 11 of 45
11. Question
What is the definition of an acid?
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Question 12 of 45
12. Question
What is the definition of a neutral substance?
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Question 13 of 45
13. Question
Which of the following is an example of a neutral substance?
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Question 14 of 45
14. Question
What is the definition of an alkali?
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Question 15 of 45
15. Question
What type of compounds are alkalis?
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Question 16 of 45
16. Question
What is the definition of a base?
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Question 17 of 45
17. Question
Which of the following is an example of a base?
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Question 18 of 45
18. Question
Which of the following is an example of a base?
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Question 19 of 45
19. Question
What type of compounds are alkalis, but also bases?
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Question 20 of 45
20. Question
What is the definition of the pH scale?
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Question 21 of 45
21. Question
What type of pH would indicate an acidic substance?
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Question 22 of 45
22. Question
What type of pH would indicate a neutral substance?
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Question 23 of 45
23. Question
What type of pH would indicate an alkali substance?
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Question 24 of 45
24. Question
What type of pH would be likely to be seen for sulfuric acid?
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Question 25 of 45
25. Question
What type of pH would be likely to be seen for water?
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Question 26 of 45
26. Question
What type of pH would be likely to be seen for sodium hydroxide?
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Question 27 of 45
27. Question
Which of the following ions are responsible for making a substance acidic?
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Question 28 of 45
28. Question
Which of the following ions are responsible for making a substance alkali?
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Question 29 of 45
29. Question
Which of the following is the formula for a positive hydrogen ion?
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Question 30 of 45
30. Question
Which of the following is the formula for a negative hydroxide ion?
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Question 31 of 45
31. Question
Which of the following is an example of an acid?
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Question 32 of 45
32. Question
Which of the following is an example of an acid?
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Question 33 of 45
33. Question
Which of the following is an example of a strong acid?
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Question 34 of 45
34. Question
Which of the following is an example of a strong acid?
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Question 35 of 45
35. Question
Which of the following is an example of a strong acid?
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Question 36 of 45
36. Question
Which of the following is an example of a weak acid?
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Question 37 of 45
37. Question
Which of the following is an example of an alkali?
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Question 38 of 45
38. Question
Which of the following is an example of an alkali?
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Question 39 of 45
39. Question
Which of the following is an example of a strong alkali?
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Question 40 of 45
40. Question
Which of the following is an example of a strong alkali?
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Question 41 of 45
41. Question
Which of the following is an example of a weak alkali?
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Question 42 of 45
42. Question
What is neutralisation?
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Question 43 of 45
43. Question
What type of reaction is neutralisation?
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Question 44 of 45
44. Question
Write a neutralisation equation for the reaction between sodium hydroxide and hydrochloric acid.
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Question 45 of 45
45. Question
Write a neutralisation equation for the reaction between lithium hydroxide and sulfuric acid.
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