reactions sodium magnesium water

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

If Mg(s) is allowed to react with H2O(l), product other than H2(g) will be
  • A. MgO(s)
  • B. MgO(aq)
  • C. None
  • D. None
  • Correct Answer: Option C

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

Consider reaction: Na(s) + H2O → NaOH(aq) + H2(g). Moles of H2O required to balance equation will be
  • A. 1
  • B. 2
  • C. 3
  • D. 4
  • Correct Answer: Option B

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

PH of NaOH produced after Na(s) and H2O(l) reaction is
  • A. exactly zero
  • B. below 7
  • C. above 7
  • D. exactly 14
  • Correct Answer: Option D

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

If heated Mg(s) is allowed to react with H2O(l), product formed other than H2(g) will be
  • A. MgO(s)
  • B. MgO(aq)
  • C. None
  • D. None
  • Correct Answer: Option A

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

Condition of Mg in which it reacts violently with water, is
  • A. None
  • B. None
  • C. None
  • D. both A and B
  • Correct Answer: Option B