Welcome to ExamNova's Chemistry Practical Prep Zone – your trusted guide for WAEC, NECO, and NABTEB success!

We understand that practical exams require precise preparation. That's why we've compiled the exact instructions and requirements you need to excel in your Chemistry practical examination, as provided by the official exam bodies. Take a moment to review these important details below and ensure you're fully prepared.

Important Chemistry Practical Guidelines

• Confidentiality is Key: Great care must be taken to ensure that the information below does not reach candidates before the exam.
• Essential Apparatus: Each candidate must have the following:
  • One 50.0 cm³ burette
  • One pipette (20.0 cm³ or 25.0 cm³ – all candidates must use the same volume)
  • Standard titration apparatus
  • Qualitative analysis tools and reagents such as:
    • NaOH (dilute), HCl (dilute), HNO₃ (dilute), AgNO₃ solution
    • BaCl₂ solution, aqueous ammonia, lime water
    • Litmus papers (red & blue), H₂SO₄ (dilute), Fehling’s solution A & B
  • Spatula, filtration apparatus, one beaker, one boiling tube, four test tubes
  • Methyl orange and phenolphthalein indicators
  • Glass rod, wash bottle (distilled/deionized water), burning splint
  • Watch glass, Bunsen burner/source of heat, droppers
  • Calculator/mathematical table
• Specimen Supply: Each candidate (serial number 'n') should receive:
  • 150 cm³ of solution ‘An’: 8.6 cm³ of concentrated HCl per dm³
  • 150 cm³ of solution ‘Bn’: 8.0 g of NaHCO₃ per dm³
  • One spatulaful of ‘Cn’: a 1:1 uniform mix of CuSO₄ and glucose
• Additional Materials: May be provided if needed.
• Supervisors’ Duty: Record actual concentrations of ‘A’ and ‘B’ on the Supervisor’s Report. Candidates assume concentrations are as in the exam paper.
• No Substitution Allowed: Use only substances/solutions specified in the exam instruction.

Candidate Arrangement & Numbering

• All lab places should be numbered serially based on index numbers.
• Each specimen’s number should match the candidate’s serial number.
• Do not reassign numbers of absent candidates.
• If there are multiple sets, serial numbers must continue without repetition.
• Ensure candidates write both their serial and index numbers on the answer booklets.

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