C3 Analysis and Synthesis Quiz

1. Which of the following is correct for all of the named precipitate reactions between sodium hydroxide and the metals?

  • Aluminium = white, Magnesium = white, Copper (II) = blue, Iron (II) = brown, Iron (III) = yellow
  • Aluminium = silver, Magnesium = white, Copper (II) = blue, Iron (II) = red, Iron (III) = brown
  • Aluminium = white, Magnesium = white, Copper (II) = blue, Iron (II) = green, Iron (III) = brown
  • Aluminium = white, Magnesium = white, Copper (II) = green, Iron (II) = green, Iron (III) = brown
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Other questions in this quiz

2. Which of these indicators is NOT used in titration?

  • Litmus
  • Phenolphthalein
  • Universal indicator
  • Methyl orange

3. Why is a burette used in titrations?

  • Being made of glass makes it a better tool to measure with.
  • It allows you to accurately and precisely determine volumes and dispense them in small volumes at a time.
  • It has a tap at the bottom.
  • It is easier to use.

4. If the forward reaction is exothermic, an increase in temperature will...

  • ...decrease the volume of reactants formed.
  • ...increase the volume of products formed.
  • ...decrease the volume of products formed.
  • ...increase the volume of reactants formed.

5. Which of these can chemical analysis be useful for?

  • All three.
  • Medicinal use.
  • Forensic science.
  • River pollution.

Comments

JasmineTiger

Very good though some of the questions i haven't covered.

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