Reaction of Sodium and Magnesium with water MCQs Quiz Online PDF Download

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MCQs on Reaction of Sodium and Magnesium with waterQuiz PDF Download

MCQ: Condition of Mg in which it reacts violently with water, is

  1. Mg(s) while cold
  2. Mg(s) when heated
  3. Mg(s) at normal temperature
  4. both A and B

B

MCQ: If heated Mg(s) is allowed to react with H2O(l), product formed other than H2(g) will be

  1. MgO(s)
  2. MgO(aq)
  3. Mg(OH)2 (aq)
  4. Mg2O3(s)

A

MCQ: PH of NaOH produced after Na(s) and H2O(l) reaction is

  1. exactly zero
  2. below 7
  3. above 7
  4. exactly 14

D

MCQ: Consider reaction: Na(s) + H2O → NaOH(aq) + H2(g). Moles of H2O required to balance equation will be

  1. 1
  2. 2
  3. 3
  4. 4

B

MCQ: If Mg(s) is allowed to react with H2O(l), product other than H2(g) will be

  1. MgO(s)
  2. MgO(aq)
  3. Mg(OH)2 (aq)
  4. Mg2O3(s)

C