ECAT Chemistry The Halogens and Noble Gases Test Online

Chemistry The Halogens and Noble Gases MCQS Online Test

ECAT Chemistry The Halogens and Noble Gases Chapter Online Test

Total Questions: 330
Time Allowed: 80 Minutes
Total Marks: 330
How to Attempt Test: Please choose the right Option in MCQ-type question.
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ECAT Chemistry The Halogens and Noble Gases Test

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Chemistry

1. Which of the following oxides is peroxide?

2. Point out the property which is not characteristic of alkali metals

3. Sea divers go deep in the sea water with a mixture of which of the following gases?

4. Fluorides of Ca, Mg, Ba and Sr are

5. Which of the following is a man made element?

6. Bromine can be liberated from KBr solution by the action of

7. When a colourless gas is passed through bromine water only decolourisation takes place the gas is

8. Which of the following is an inert gas?

9. The one which does not show variable valency is

10. Which halogen has application in medicines mostly?

11. Mark the correct statement

12. A Major constituent of Portland cement (except lime) is

13. Hydrochloric acid at 25°C is

14. The bleaching action of chlorine is due to

15. Bleaching powder loses its power on keeping for a long time because

16. Which of the following has highest dipole moment?

17. Mark the smallest atom

18. Which of the following halogens dose not form oxy acid?

19. Solution of sodium metal in liquid ammonia in strongly reducing due to the presence in the solution of the following

20. If one liter of air is passed repeatedly over heated copper and magnesium till no further reduction in volume takes place, the volume finally obtained would be approximately

21. Which of the following statement about fluorine is not correct?

22. Which is the strongest acid?

23. Which of the following species has maximum number of unpaired electrons?

24. Sea weeds are important source of

25. Which of the following statements is incorrect about halogens?


 

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