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

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

2 / 50

2. Which of these is not an interstitial carbide?

3 / 50

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

4 / 50

4. Lead dioxide is used as ___________

5 / 50

5. Arsenic has a _____________ odour

6 / 50

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

7 / 50

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

8 / 50

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

9 / 50

9. The heavier elements of group IV functions as ___________

10 / 50

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

11 / 50

11. The molecular formula of hydrazine is ________

12 / 50

12. Silicates are salts of______

13 / 50

13. Nitriles are oxidized to nitrates by ___________

14 / 50

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

15 / 50

15. The ground state electronic configuration of phosphorus is ___________

16 / 50

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

17 / 50

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

18 / 50

18. The hybridization of nitrogen in ammonia is ___________

19 / 50

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

20 / 50

20. Zeolites is used in water as____________

21 / 50

21. Which of these is true of interstitial carbide?

22 / 50

22. The most metallic element in group IV is __________

23 / 50

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

24 / 50

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

25 / 50

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

26 / 50

26. The only halogen that can oxidize chlorine is __________

27 / 50

27. Zeolites are also called ____________

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28. Solid Carbondioxide is known as____________

29 / 50

29. The form of carbon that conducts electricity is _________

30 / 50

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

31 / 50

31. ____________ has the highest electronegativity value

32 / 50

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

33 / 50

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

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

35 / 50

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

36 / 50

36. Mixed chloroflorocarbons are known as _________

37 / 50

37. The purest form of silicon dioxide is ___________

38 / 50

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

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

40 / 50

40. Nitrogen is obtained commercially from ___________

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

42 / 50

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

43 / 50

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

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

45 / 50

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

46 / 50

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

47 / 50

47. PVC pipes are manufactured using ____________

48 / 50

48. Which of these is not a carbide?

49 / 50

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

50 / 50

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

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