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the-reaction-of-sodium-is-highly-exothermic-with-h2o-the-rate-of-reaction-is-lowered-4



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Q1.
The reaction of sodium with water is highly exothermic. The rate of the reaction can be lowered by:

  1. mixing with alcohol
  2. making an amalgam
  3. mixing with acetic acid
  4. lowering the temperature
Q2.

The reaction of sodium highly exothermic sodium with H2O. The rate of reaction is lowered by 


  1. Mixing with acetic acid

  2. Making an amalgam

  3. Lowering the temperature

  4. Mixing with alcohol

Q3.

The reaction of sodium is highly exothermic with H2O. The rate of reaction is lowered by 


  1. Lowering the temperature

  2. Mixing with alcohol

  3. Mixing with acetic acid

  4. Making an amalgam

Q4.
Formation of nitric oxide is a highly exothermic reaction.
  1. True
  2. False
Q5.

Statement 1: The reaction of iron(III) oxide Fe2O3 with aluminium is used to join railway tracks or cracked machine parts.
Statement 2: Some of the displacement reactions are highly exothermic reactions. 


  1. Statement 1 is true, but statement 2 is false.

  2. Statement 1 is false but statement 2 is true.

  3. Statement 1 and 2 both are true but 2 is not the correct explanation of 1.

  4. Statement 1 and 2 both are true and 2 is the correct explanation of 1.


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