Class XI

Valency of hydroxide ion (OH) is
  1. -1
  2. -2
  3. -3
  4. -4
HCl(g) dissolved in Methylbenzene (C7H8) shows no change on litmus paper because
  1. It is highly acidic
  2. No free hydrogen protons are available
  3. Solution is highly ionic
  4. Solution is highly ionic
Other than being used to line furnaces, a quality of ionic crystal structures is that they are
  1. Conductors of heat
  2. Conductors of electricity
  3. Non-conductors of electricity
  4. Non-conductors of heat
 When an alkali is added to acid, water formation is also called as
  1. polymerization
  2. neutralization
  3. formation of hydroxonium ions
  4. reversible reactions
Smallest metal name in period table is Tin with a symbol of
  1. Ti
  2. Tn
  3. Sn
  4. Fe
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