Hl Chemistry Mid-term Form (3)

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Quizzes Created: 2 | Total Attempts: 347
| Attempts: 151 | Questions: 45
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Hl Chemistry Mid-term Form (3) - Quiz


This HL Chemistry Mid-Term Form (3) consists of multiple-choice questions testing key chemistry concepts.

2. Choose the best answer:

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3. Match the following salts for their solubility
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4. Choose the best answer:

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5. Choose the best answer:

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6. Choose the best answer:

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7. Choose the best answer:

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8. Which one do you like?

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9. For the salt (Y)  prepared below, the solid X is _____ (soluble , insoluble) and the salt Y is _____ (soluble , insoluble).

Explanation

The solid X is insoluble because it does not dissolve in the given solution. On the other hand, the salt Y is soluble because it dissolves in the given solution.

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10. Which one do you like?

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11. Choose the best answer:

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12. Choose the best answer:

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13. Choose the best answer:

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14. Which one do you like?

Explanation

The explanation for the given correct answer "D" is not available as the question does not provide any context or criteria for making a choice.

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15. Which one do you like?

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16. Choose the best answer:

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17. Choose the best answer:

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18. Which one do you like?

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19. Choose the best answer:

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20. Choose the best answer:

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21. _____ + _____

Explanation

The given answer suggests that the blanks should be filled with "calcium ethanoate" and "water" twice. This implies that the two blanks should be filled with the same options, resulting in a repetition of "calcium ethanoate" and "water" in the final answer.

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22. Choose the best answer:

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23. Choose the best answer:

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24. State the colour of each indicator with Ammonia: 1- Universal indicator _____ 2- Methyl Orange _____

Explanation

The color of Universal indicator with Ammonia is blue, and the color of Methyl Orange with Ammonia is yellow.

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25. Choose the best answer:

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26. Choose the best answer:

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27. Choose the best answer:

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28. Choose the best answer:

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29. Which one do you like?

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30. Choose the best answer:

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31. Choose the best answer:

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32. Choose the best answer

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33. Choose the best answer:

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34. Choose the best answer:

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35. Choose the best answer:

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36. Choose the best answer

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37. Match the following
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38. Choose the best answer:

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39. Match the following
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40. _____

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41. Choose the best answer:

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42. In the graph below, the rate of reaction at point C is the  _____ (slowest, fastest, zero) because the amount of reactants particles is _____ (maximum, minimum, zero).

Explanation

The rate of reaction at point C is zero because there are no reactant particles present at that point.

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43. In the graph below, the rate of reaction at point A is the  _____ (slowest, fastest, zero) because the amount of reactants particles is _____ (maximum, minimum, zero).

Explanation

The rate of reaction at point A is the fastest because the amount of reactant particles is at its maximum. This means that there is a high concentration of reactants available to collide and react, leading to a faster rate of reaction.

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44. What is the energy change for this reaction? _____ KJ/mol

Explanation

The energy change for this reaction is -97 KJ/mol. This means that the reaction releases 97 kilojoules of energy per mole of reactant. The negative sign indicates that the reaction is exothermic, meaning it releases heat energy.

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45. What is the bond energy of the C=O bond? _____

Explanation

The bond energy of the C=O bond is 841 kJ/mol. This indicates the amount of energy required to break one mole of C=O bonds. The positive sign indicates that this is an endothermic process, meaning energy is absorbed when the bond is broken. The repetition of +841 suggests that this bond energy is consistent and reliable.

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_____
Choose the best answer:
Match the following salts for their solubility
Choose the best answer:
Choose the best answer:
Choose the best answer:
Choose the best answer:
Which one do you like?
For the salt (Y)  prepared below, ...
Which one do you like?
Choose the best answer:
Choose the best answer:
Choose the best answer:
Which one do you like?
Which one do you like?
Choose the best answer:
Choose the best answer:
Which one do you like?
Choose the best answer:
Choose the best answer:
_____ + _____
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Choose the best answer:
State the colour of each indicator with Ammonia: ...
Choose the best answer:
Choose the best answer:
Choose the best answer:
Choose the best answer:
Which one do you like?
Choose the best answer:
Choose the best answer:
Choose the best answer
Choose the best answer:
Choose the best answer:
Choose the best answer:
Choose the best answer
Match the following
Choose the best answer:
Match the following
_____
Choose the best answer:
In the graph below, the rate of reaction at point C is the  _____...
In the graph below, the rate of reaction at point A is the  _____...
What is the energy change for this reaction? _____ KJ/mol
What is the bond energy of the C=O bond? _____
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