CHEMISTRY PAPER 3 (CONFIDENTIAL) - 2020 KCSE PREDICTION SET 1 (QUESTIONS AND ANSWERS)

CONFIDENTIAL OF REQUIREMENTS

• Burette
• Pipette
• 2 conical flasks
• 80cm³ of 2.0 M NaOH labelled B
• 100cm³ of 0.2 M H₂SO₄ labelled A
• 250cm³ volumetric flask
• A label
• Pipette filter
• Stand and clamp
• 500cm³ distilled water
• Phenolphthalein indicator
• 100cm³ plastic beaker
• Thermometer
• 10cm³ measuring cylinder
• 100cm³ measuring cylinder
• 50cm³ 2.0 M HCl
• 50cm³ 2.0 M NaOH
• 6 test tubes in a test tube rack
• 0.2g of solid N (Pb(NO₃)₂]
• 0.2g of solid P (Na₂SO₄)

REAGENTS

• 2M NaOH
• 2M NH₄OH
• Ba(NO₃)₂ solution
• 2M nitric acid
• Potassium iodide solution