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. ____________ has the highest electronegativity value

2 / 50

2. Solid Carbondioxide is known as____________

3 / 50

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

4 / 50

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

5 / 50

5. Nitriles are oxidized to nitrates by ___________

6 / 50

6. The hybridization of nitrogen in ammonia is ___________

7 / 50

7. Lead dioxide is used as ___________

8 / 50

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

9 / 50

9. The halogen _______ is solid at room temperature

10 / 50

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

11 / 50

11. The ground state electronic configuration of phosphorus is ___________

12 / 50

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

13 / 50

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

14 / 50

14. Arsenic has a _____________ odour

15 / 50

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

16 / 50

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

17 / 50

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

18 / 50

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

19 / 50

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

20 / 50

20. Zeolites is used in water as____________

21 / 50

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

22 / 50

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

23 / 50

23. Silicates are salts of______

24 / 50

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

25 / 50

25. The form of carbon that conducts electricity is _________

26 / 50

26. The only halogen that can oxidize chlorine is __________

27 / 50

27. The purest form of silicon dioxide is ___________

28 / 50

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

29 / 50

29. Zeolites are also called ____________

30 / 50

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

31 / 50

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

32 / 50

32. ____________is a property by virtue of which elements form long chain compounds by single or multiple bonds between atoms of the same element.

33 / 50

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

34 / 50

34. Nitrogen is obtained commercially from ___________

35 / 50

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

36 / 50

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

37 / 50

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

38 / 50

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

39 / 50

39. The heavier elements of group IV functions as ___________

40 / 50

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

41 / 50

41. Which of these is true of interstitial carbide?

42 / 50

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

43 / 50

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

44 / 50

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

45 / 50

45. PVC pipes are manufactured using ____________

46 / 50

46. Which of these is not a carbide?

47 / 50

47. Mixed chloroflorocarbons are known as _________

48 / 50

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

49 / 50

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

50 / 50

50. The molecular formula of hydrazine is ________

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