Class XI

Elements in Group-V are likely to form
  1. Ionic bonds
  2. Covalent bonds
  3. Metallic bonds
  4. Dative bond
Bases include
  1. Metal oxides
  2. Metal hydroxides
  3. Non-metal oxides
  4. Both A and B
 Valency of Plumbum can be
  1. 2 or 4
  2. 4 or 6
  3. 3 or 5
  4. 2 or 3
Non-conductors include
  1. Non-metals
  2. Plastics
  3. Nylon
  4. Both A and B
 In Universal indicators, a pH of 11 to 14 is indicated through
  1. Turquoise color
  2. Violet color
  3. Blue color
  4. Light violet color
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