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SS3: CHEMISTRY - 1ST TERM

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  1. Volumetric Analysis (Titration) | Week 1
    3 Topics
    |
    1 Quiz
  2. Heat of Neutralization & Redox Titrations | Week 2
    2 Topics
    |
    1 Quiz
  3. Test for Common Gases | Week 3
    2 Topics
    |
    1 Quiz
  4. Qualitative Analysis I | Week 4
    3 Topics
    |
    1 Quiz
  5. Qualitative Analysis II | Week 5
    2 Topics
    |
    1 Quiz
  6. Qualitative Analysis III | Week 6
    3 Topics
    |
    1 Quiz
  7. Qualitative Analysis IV - Anions | Week 7
    1 Topic
    |
    1 Quiz
  8. Test for Fat and Oil; Protein; Starch | Week 8
    3 Topics
    |
    1 Quiz
  9. Petroleum I | Week 9
    4 Topics
    |
    1 Quiz
  10. Petroleum II | Week 10
    5 Topics
    |
    1 Quiz

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SS3: CHEMISTRY – 1ST TERM Petroleum I | Week 9 SS3: Chemistry Theory Questions – Petroleum I
Lesson 9, Topic 4
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SS3: Chemistry Theory Questions – Petroleum I

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Topic Content:

  • Theory Questions & Answers – Petroleum

Theory Questions – Petroleum:

1. What do you understand by the term petroleum?

2. Differentiate between crude oil and natural gas.

3. What is the major impurity in crude oil?

 

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Evaluation Questions

1. What do you understand by the term petroleum?

Answer: Petroleum means rock oil. It consists of natural gas and crude oil.

 

2. Differentiate between crude oil and natural gas.

Answer:  Natural gas contains methane gas and hydrocarbon gas. It can be used domestically for cooking. It is colourless, odourless and non-toxic while crude oil is a dark brown viscous liquid with an unpleasant odour.

 

3. What is the major impurity in crude oil?

Answer: Sulphur.

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