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