Punjab 9th Class Chemistry Model Paper 7 Mcqs Test Online
Questions 36
Total Marks 72
Time 36 Mins
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Punjab 9th Class Chemistry Model Paper 7 Mcqs Test Online

Chemistry Model Paper 7 Mcqs Test Online 9th Class Punjab

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Question 1 of 36

Chemistry

1. From following which one is oxidizing:

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2. Types of electrochemical cell are:

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3. Anode of Downs cells is made of:

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4. Which one of the following is non electrolytes?

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5. Formation of water from hydrogen and oxygen is ___________ reaction:

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6. Electrolyte __________ produces less ions is water:

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7. Formation of water from hydrogen and oxygen is:

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8. The oxidation number of nitrogen in HNO₃ is

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9. Example of non-electrolyte?

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10. The formula of rust is:

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11. Oxidation number of chlorine in KClO₃ is:

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12. Oxidation number of elements in Group 1 is

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13. Nelson cell is used along gases to prepare caustic Soda. Which gas is produced on Cathode?

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14. The process of coating a thin layer of zinc on iron is called:

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15. In the redox reaction between Zn and HCl the oxidizing agent is:

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16. The oxidation number of chlorine in KClO₃ is:

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17. Production of O₂ during any chemical reaction is called:

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18. The most common example of corrosion is:

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19. Types of electrochemical cells are:

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20. From following which one is not react with light HCl?

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21. The oxidation number of oxygen in peroxides:

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22. Which one of the following reaction is a oxidation reaction?

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23. Which of the following electrolyte produce less ions in water?

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24. Oxidation no of O₂ in peroxide is:

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25. Oxidation number of element in independent State:

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26. Oxidation number of free element is:

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27. Oxidation number of hydrogen in HCl is:

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28. The oxidation number of hydrogen in metal hydrides is:

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29. In which cell spontaneous chemical reaction takes place?

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30. The oxidation number chromium in K₂C₂O₇ is:

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31. The oxidation number of oxygen in OF₂ is:

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32. The oxidation number of sulphur in H₂SO₄ is:

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33. From following reaction reduction is occurring in:

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34. Is non-electrolytes:

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35. The oxidation number of oxygen in peroxides:

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Question 36 of 36

36. Which one is strong electrolyte?

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