• methods of separation
• separation of salts
• energetics
• barium nitrate = sulfite
• crush → measure → tools → control → repeat → conclusion
• memorize lab equipment
• salt prep by neutralization

• titration
  • wash burette with water then with solution
  • repeat eliminate errors take average and compare
• using polystyrene and lid
• “Describe how to carry out a flame test.” → Use a CLEAN platinum wire , put the sample on the wire, and place it in a BLUE ROARING FLAME of bunsen burner.
• “HOW do we clean the wire?”→ Dip it in HCl
• “WHY do we clean the wire?”→ To remove any previous chemicals or impurities that might be left on the wire.
• chromatography
  • ink on baseline
  • solvent level on paper
  • draw baseline with pencil
• Temperatures drop to room temp

Questions 2023 - 2024 Q1,2

Accuracy & Improvements

Insulating