Combinations of Matter
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Combinations of Matter. Signs of a Chemical Reaction Demos. 1. Blue Bottle Measure 5g Dextrose Measure 5g NaOH pellets Add to 250ml water Place ¼ drop 1% methylene blue Conical flask Stopper Shake the flask until NaOH is dissolved Wait. 2. Foam Column

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Combinations of Matter

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Combinations of matter

Combinations of Matter

Signs of a Chemical Reaction Demos


Combinations of matter

  • 1. Blue Bottle

  • Measure 5g Dextrose

  • Measure 5g NaOH pellets

  • Add to 250ml water

  • Place ¼ drop 1% methylene blue

  • Conical flask

  • Stopper

  • Shake the flask until NaOH is dissolved

  • Wait

  • 2.Foam Column

  • Potassium Permanganate (flat spoonful)

  • Squirt of detergent - enough to cover the KMnO4

  • 30-50ml of hydrogen peroxide (slowly add)

  • 3.BurningMagnesium

  • 2cm of Mg

  • Hold in tongs

  • Ignite

  • Burningsteel wool

  • Bunsen burner mounted horizontally

  • Ball of wool

  • Then spread the wool out


Combinations of matter

  • Solid Reaction

  • 1 test tube containing Potassium Iodide

  • 1 test tube containing Lead Nitrate

  • Pour the KI into a conical flask

  • Carefully lower the test tube of PbNO3 into the flask

  • Place on stopper

  • Place on balance and zero

  • Tilt flask to spill the PbNO3

  • Endothermic Reaction

  • 10g Barium Hydroxide

  • 10g Ammonium Nitrate

  • Mix two in a 80ml beaker

  • Stir with glass rod - be careful of the fumes

  • Measure temperature

  • Ethanol Flare

  • Splash of Ethanol into the bottom of a 5 gallon water container

  • Swill to fill container with Ethanol vapour

  • Ignite at arms length

  • Carbon Pillar

  • 40ml white sugar

  • H2SO4

  • Small beaker (80ml)

  • Enough of the H2SO4 to cover the sugar


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