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. The molecular formula of hydrazine is ________
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2. The ground state electronic configuration of phosphorus is ___________
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3. Which of these is not a component of lead-acid battery?
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4. Zeolites are also called ____________
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5. Of all halogens, _____________ has the highest ionization energy
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6. When carbon is linked to elements of lower or approximately the same electronegativity,the binary compounds formed are termed
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7. Of the group IV element, the one that exhibits anomalous behaviour is ___________
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8. The only halogen that can oxidize chlorine is __________
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9. Conversion of nitrogen into its compounds is known as _________
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10. ____________ has the highest electronegativity value
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11. Hydrazine is used as a ________ along with liquid air or oxygen as oxidant.
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12. The second most abundant element in the earth’s crust after oxygen is __________
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13. Which of these is not a group V element?
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14. The purest form of silicon dioxide is ___________
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15. Which of these is not an interstitial carbide?
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16. The element known as ‘super halogen’ is _________
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17. Nitriles are oxidized to nitrates by ___________
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18. Which of the group V elements give only one oxidation state?
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19. Nitrogen is obtained commercially from ___________
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20. Bacteria which convert nitrogen compounds into free nitrogen are known as ___________ bacteria
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21. Lead dioxide is used as ___________
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22. Which of the group V metals can not be obtained from its sulphide ore?
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23. Solid Carbondioxide is known as____________
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24. The heavier elements of group IV functions as ___________
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25. A derivative of ____________ is used in making photographic plates
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26. The halogen _______ is solid at room temperature
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27. The most metallic element in group IV is __________
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28. _____________ is the only liquid halogen.
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29. One of these is not a form of silica?
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30. Which of these is not a carbide?
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31. All group V elements except ____________ react with sulphur to form sulphides.
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32. The halogen which has only two complete electron shells below the valence shell is _______
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33. Zeolites is used in water as____________
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34. ___________are the fibrous silicates, having high tensile strength and heat/fire resistance, used as insulators and steam pipe lagging.
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35. Mixed chloroflorocarbons are known as _________
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36. Elements having some metallic and nonmetallic properties are called _______
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37. Continuous exchange of nitrogen between the atmosphere and the biosphere is called ___________
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38. The group of elements in the periodic table that is associated with semiconductor properties is ___________
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39. ____________is a property by virtue of which elements form long chain compounds by single or multiple bonds between atoms of the same element.
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40. Ammonia acts as a Lewis base because it possesses a _________
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41. Deficiency of one of these leads to goitre in humans
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42. Which of these is not a raw material for the cement manufacture?
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43. Silicates are salts of______
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44. The ‘great balls of carbon’ in which carbon atoms are symmetrically arranged in closed shells are known as __________
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45. ___________ is obtained when of silicates mainly of sodium and calcium is melted and supercooled
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46. PVC pipes are manufactured using ____________
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47. Teflon is form from a derivative of-------------
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48. Arsenic has a _____________ odour
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49. The oxide of nitrogen which is colourless and rather unreactive is _________
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50. Which of these is true of interstitial carbide?
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