CHEM

• Bunsen burner


  most widely used lab equipment
• what does make bunsen burner unique?

  produces hot, steady, smokeless flame
• function of bunsen burner

  heat materials also can be used in sterilization and combustion
• bunsen burner is made up of ?


  metal
• test tube should be held with a ?

  wire test tube holder
• mouth of the test tube should be directed __?

  away from yourself and from neighbor
• heating should be done

  gently
• when heating liquids in beaker or flask with a bunsen burner


  should be set on a wire which evenly spreads the heat that will minimize the possibility of 1) cracking the container 2) splattering the liquid
• place ____ over the container if necessary, it can be supported on _____ to permit the escape of vapors from the container

  watch glass

  Stirrups
• overheating may result in loss by ___ or ____

  splattering or thermal decomposition
• when evaporating a solution to dryness or near dryness great care is a must to avoid ____

  bumping
• superheating followed by explosive bursts of splatering

  bmping
• must be used to protect fingers form hot glass


  folded paper strip
• when acids or other solutions which emit noxious fumes should be done under a ____

  hood with strong ventilation
• acquiring knowledge and wisdom

  Philosophy
• philo


  love
• sophia

  wisdom
• philosophy is love of ___

  wisdom