CHM205




Category: CHM205

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ATTENTION:

Kindly note that you will be presented with 50 questions randomized from the NOUN question bank. Make sure to take the quiz multiple times so you can get familiar with the questions and answers, as new questions are randomized in each attempt.

Good luck!


CHM205

1 / 50

1. Which of these is not a group V element?

2 / 50

2. Elements having some metallic and nonmetallic properties are called _______

3 / 50

3. Deficiency of one of these leads to goitre in humans

4 / 50

4. Of all halogens, _____________ has the highest ionization energy

5 / 50

5. Zeolites is used in water as____________

6 / 50

6. ___________are the fibrous silicates, having high tensile strength and heat/fire resistance, used as insulators and steam pipe lagging.

7 / 50

7. Ammonia acts as a Lewis base because it possesses a _________

8 / 50

8. The second most abundant element in the earth’s crust after oxygen is __________

9 / 50

9. Which of the group V elements give only one oxidation state?

10 / 50

10. Bacteria which convert nitrogen compounds into free nitrogen are known as ___________ bacteria

11 / 50

11. One of these is not a form of silica?

12 / 50

12. Zeolites are also called ____________

13 / 50

13. Which of these is not a carbide?

14 / 50

14. Teflon is form from a derivative of-------------

15 / 50

15. PVC pipes are manufactured using ____________

16 / 50

16. Solid Carbondioxide is known as____________

17 / 50

17. A derivative of ____________ is used in making photographic plates

18 / 50

18. Conversion of nitrogen into its compounds is known as _________

19 / 50

19. Which of these is not a raw material for the cement manufacture?

20 / 50

20. The purest form of silicon dioxide is ___________

21 / 50

21. Arsenic has a _____________ odour

22 / 50

22. The heavier elements of group IV functions as ___________

23 / 50

23. ____________ has the highest electronegativity value

24 / 50

24. The hybridization of nitrogen in ammonia is ___________

25 / 50

25. The oxide of nitrogen which is colourless and rather unreactive is _________

26 / 50

26. _____________ is the only liquid halogen.

27 / 50

27. All group V elements except ____________ react with sulphur to form sulphides.

28 / 50

28. The form of carbon that conducts electricity is _________

29 / 50

29. The element known as ‘super halogen’ is _________

30 / 50

30. The halogen which has only two complete electron shells below the valence shell is _______

31 / 50

31. When carbon is linked to elements of lower or approximately the same electronegativity,the binary compounds formed are termed

32 / 50

32. Nitriles are oxidized to nitrates by ___________

33 / 50

33. Lead dioxide is used as ___________

34 / 50

34. A derivative of ------------- is used in making photographic plates

35 / 50

35. Nitrogen is obtained commercially from ___________

36 / 50

36. The halogen _______ is solid at room temperature

37 / 50

37. The most metallic element in group IV is __________

38 / 50

38. ___________ is obtained when of silicates mainly of sodium and calcium is melted and supercooled

39 / 50

39. The ‘great balls of carbon’ in which carbon atoms are symmetrically arranged in closed shells are known as __________

40 / 50

40. The ground state electronic configuration of phosphorus is ___________

41 / 50

41. Silicates are salts of______

42 / 50

42. Which of these is not a component of lead-acid battery?

43 / 50

43. The group of elements in the periodic table that is associated with semiconductor properties is ___________

44 / 50

44. Hydrazine is used as a ________ along with liquid air or oxygen as oxidant.

45 / 50

45. Which of the group V metals can not be obtained from its sulphide ore?

46 / 50

46. Of the group IV element, the one that exhibits anomalous behaviour is ___________

47 / 50

47. Mixed chloroflorocarbons are known as _________

48 / 50

48. Which of these is true of interstitial carbide?

49 / 50

49. The only halogen that can oxidize chlorine is __________

50 / 50

50. Continuous exchange of nitrogen between the atmosphere and the biosphere is called ___________

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