Reversible Reactions and Ammonia Quiz

15 Questions

Quiz Description

The quiz, reversible reactions and ammonia is made up of 15 questions which have been set based on the national curriculum for the gcse level and have been set to meet up the gcse examination standard with varying difficulty levels. Out of the four options in each of the questions, there is one and only one of the options that is correct so take your time and think before choosing an answer. 

In this particular quiz, we have three main terms that we need to define and they are; reaction, reversible reaction and ammonia.

A reaction is a process whereby at least one substance (known as the reactants) is/are changed to another unique substance (known as the product). 

A reversible reaction is therefore a reaction whereby the reactants converted to the products can undergo the transformation of the products into the reactants. 

Ammonia, which is generally known as NH3 is a compound which is used in the creation of urea, rayon and other things

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1:

 Which is used as an artificial fertiliser? 


Correct
  • 1:
    nitric acid
  • 2:
    ammonium sulphate
  • 3:
    ammonium hydroxide
  • 4:
    sodium sulphate
2:

 Which is TRUE about reversible reactions that have formed a chemical equilibrium? 


Correct
  • 1:
    reactants are always changing into products
  • 2:
    using a catalyst increases the final amount of product formed
  • 3:
    the concentrations of reactants and products are constantly changing
  • 4:
    rate of forward reaction (L to R) is greater than the rate of the backward reaction (R to L)
3:

 If J is nitrogen, what is raw material E? 


<p>&nbsp;<strong>If J is nitrogen, what is raw material E</strong>?&nbsp;</p>
Correct
  • 1:
    air
  • 2:
    water
  • 3:
    nitrogen monoxide
  • 4:
    methane
4:

 Which ratio numbers a, b and c are needed to balance the equation showing the neutralisation of ammonia to form ammonium nitrate?
a NH3(aq) + b HNO3(aq) ==> c NH4NO3(aq) 


Correct
  • 1:
    2, 1 and 2
  • 2:
    1, 1 and 2
  • 3:
    2, 2 and 1
  • 4:
    1, 1 and 1
5:

 A reaction which gives out heat to the surroundings is described as? 


Correct
  • 1:
    decomposition
  • 2:
    endothermic
  • 3:
    exothermic
  • 4:
    reversible
6:

 How many atoms make up the formula of ammonium nitrate? 


Correct
  • 1:
    6
  • 2:
    3
  • 3:
    4
  • 4:
    9
7:

 On the reaction profile diagrams above, which energy change corresponds to the activationed energy for the iron catalysed exothermic formation of ammonia? 


<p>&nbsp;On the reaction profile diagrams above, <strong>which energy change corresponds to the activationed energy for the iron catalysed exothermic formation of ammonia</strong>?&nbsp;</p>
Correct
  • 1:
    profile 1, E1
  • 2:
    profile 2, E6
  • 3:
    profile 1, E3
  • 4:
    profile 2, E5
8:

 Which of these is a good reason for adding artificial fertiliser to soil? 


Correct
  • 1:
    helping reduce water pollution
  • 2:
    helping reduce crop disease
  • 3:
    increasing soil fertility
  • 4:
    neutralising acid soil
9:

 Which is TRUE about reversible reactions that have formed a chemical equilibrium? 


Correct
  • 1:
    the concentrations of reactants and products are constantly changing
  • 2:
    products stop changing into reactants
  • 3:
    rate of forward reaction (L to R) is greater than the rate of the backward reaction (R to L)
  • 4:
    using a catalyst does not increase the final amount of product formed
10:

 On the reaction profile diagrams above, which energy change corresponds to the overall energy change for the uncatalysed endothermic thermal decomposition ammonium chloride? 


<p>&nbsp;On the reaction profile diagrams above, <strong>which energy change corresponds to the overall energy change for the uncatalysed endothermic thermal decomposition ammonium chloride</strong>?&nbsp;</p>
Correct
  • 1:
    profile 2, E4
  • 2:
    profile 1, E2
  • 3:
    profile 1, E3
  • 4:
    profile 2, E5
11:

 Which is needed to bring about the conversion of ammonia into nitrogen monoxide? 


Correct
  • 1:
    oxygen and hot platinum catalyst
  • 2:
    hot iron catalyst and high pressure
  • 3:
    oxygen and water
  • 4:
    water and an acid
12:

 Ammonia is converted into the useful chemical product? 


Correct
  • 1:
    nitrogen
  • 2:
    nitrogen monoxide
  • 3:
    nitromethane
  • 4:
    nitric acid
13:

 In the synthesis of ammonia what happens to the unreacted nitrogen and hydrogen?  


Correct
  • 1:
    purified and let out into the atmosphere without causing pollution
  • 2:
    collected and stored for later ammonia production
  • 3:
    recycled through the reaction chamber immediately
  • 4:
    burned to preheat the gases coming into the hot reactor to stop it cooling down
14:

 Which ratio numbers a, b and c are needed to balance the equation showing the neutralisation of ammonia to form ammonium sulphate?
a NH3(aq) + b H2SO4(aq) ==> c(NH4)2SO4(aq) 


Correct
  • 1:
    2, 1 and 1
  • 2:
    2, 2 and 1
  • 3:
    1, 1 and 2
  • 4:
    1, 2 and 2
15:

 Which of these is a problem caused by the over-use of artificial fertilisers like ammonium nitrate on fields of crops? 


Correct
  • 1:
    overgrowth of algae in streams and rivers
  • 2:
    increase in crop disease
  • 3:
    too acidic rainwater run-off into rivers
  • 4:
    increase in insect attacks on crops

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Reversible Reactions and Ammonia Quiz
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