Salters B Elements from the Sea Quiz

Test on the unit 'Elements from the Sea'

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  • Created by: jess
  • Created on: 09-03-14 18:14

1. What is the first ionisation enthalpy?

  • The energy needed to remove one electron from one mole of atoms of an element.
  • The energy required to remove one electron from each of the electron shells of one gaseous atoms of an element
  • The energy needed to remove one electron from each of one mole of isolated gaseous atoms of an element.
  • The energy needed to remove one electron shell from each of one mole of isolated gaseous atoms of an element
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2. What is the lattice structure of sodium chloride said to be?

  • ionic lattice
  • electrostatic bonds
  • simple cubic
  • giant ionic

3. What are the advantages of a batch process?

  • Less flexible, suited to all types of products, low cost to build plants
  • Cost effective for small quantities, low capital costs for plant, different products in the same vessel
  • Time consuming to clean reaction vessel, may require larger workforce, many products in one reaction vessel
  • Suited to high tonnage products, can operate for months at a time without shut-down, easily automated therefore smaller workforce

4. How are chlorine and bromine transported?

  • chlorine-as a gas by air travel(in a plane). bromine-as a liquid by rail or road tanker.
  • chlorine-as a gas by rail or road tanker. bromine-in lead-lined steel tanks supported in strong metal frames
  • chlorine-as a liquid by rail or road tanker. bromine-in lead-lined steel tanks supported in strong metal frames
  • chlorine-as a liquid by air travel(in a plane). bromine-as a liquid by rail or road tanker

5. Variable costs depend on...

  • The efficiency of a chemical process.
  • The recycling of unreacted feedstock.
  • The amount of product manufactured.
  • The amount of profit a chemical company makes.
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