Chemistry test

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1. Acid-alkaline titration

  • Pipette to measure alkaline solution,conical flask, indicator, acid in burette into alkaline, change colour, see if it acid or alkaline
  • Pipette to measure alkaline solution,conical flask, indicator, acid in burette into alkaline, change colour, note volume of acid in burrete
  • Pipette to measure acid solution,, indicator, acid avian , change colour, note volume of acid in burrete
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Other questions in this quiz

2. What is a precipitate

  • When 2 insoluble react to make another insoluble solution
  • When 2 soluble solutions result in a insoluble solution
  • When 1 soluble reacts to make another soluble solution
  • When 2 soluble reacts to make 1 insoluble and soluble solution

3. Balancing chemical equations (sulfur+oxygen)

  • S8+2O2~8SO2
  • S8+8O2~8S02 (8 atoms in sulfur, 8 back, have 8 sulfur and 2 oxygen,but now 16 oxygen, put 8 in front O2, 8x2 is 16
  • 2S8+O2~2SO2

4. Solubility (insoluble in water)

  • Silver lead chlorides, lead barium calcium sulfates, most carbonates and hydroxides
  • All nitrates, most chlorides, most sulfates, sodium potassium ammonium carbonates and hydroxide
  • Sodium lead potassium nitrates, all carbonates. No hydroxide

5. Neutralisation reaction

  • Is a reaction when an acid and base react to form salt and water
  • A reaction where you heat up make salt from an alkaline
  • Where you neturalise a solution (become neutral)

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