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1950s: Liquid strains from paper filter into beaker. Two beakers side by side, each with label. Person pours liquid from beaker of salt to beaker of starch, stirring liquid.
1960s: Tray of test tubes is labelled "H+ MOLARITY." Man uses dropper to put "METHYL VIOLET" into beaker. Man mixes liquid in beaker labelled "NITRIC ACID."
1950s:Hands stir salt solution into starch solution. Hands place funnel into beaker and pours in solution and drops of dye.
1960s: Man opens jar of sodium hydroxide, dumps crystal into beaker of liquid. Man stirs crystals into liquid. Chemical compound formula on screen. Man places label marked bsic in front of beaker.
1960s: Various chemical indicators on shelf, man picks up bottle of bromothymol blue, sets it next to beakers of clear liquid, places label in front of beakers. Man points at chemical compound names.
1960s: Man removes dropper from bottle of bromothymol blue, stirs drops into three separate beakers filled with clear liquid.
1960s: Lab. Thermometer in beaker of water. Caption shows difference in temperature on thermometer. Caption reads "kilocalorie."

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1064363845
Video Description

Stock Video ID: 1064363845

1950s: Person pours spoonful of zinc into glass of hydrogen chloride. Chemical reaction occurs. Person mixes acid and base in glass to create salt. Person dumps powder into glass of water.

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  • 24fps

Duration

  • 0:35

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