FREE WAEC ANSWERS 2026
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Exam; WAEC 2026!!!
Subject; CHEMISTRY PRACTICAL
Pin; 2221
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TAKE NOTE I Say This again
For question 1
Use your school's endpoint and use it wherever you see our endpoint (15.15cm³) ...and calculate with it
Replace our 15.15 in 1b and do the calculation.
If your school wants to use mine, then the chemistry teacher must submit endpoint similar to ours without much difference...eg 15.15, 15.20, 15.30, etc
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PLEASE NOTE: For your titration practical, kindly use your school’s approved titre value and not any value seen online.
(3a)
Complete the table
Under; Apparatus
(i) Measuring cylinder (or Pipette / Burette)
(ii) Clay triangle
(iii) Crucible
(iv) Bomb calorimeter
Under; Use
(i)For measuring specific volume of a liquid
(ii)To support a crucible being heated by a Bunsen burner
(iii)As container for melting and heating to a very high temperature
(iv)To measure the heat of combustion of a particular reaction
(3b)
(i)PbSO⁴ (Insoluble)
(ii)PbCl² (slightly soluble in cold water, soluble in hot water
(iii)Pb(NO³)² (soluble)
Order; PbSO⁴
CHEMISTRY PRACTICAL
(3a)
(i) Pipette (or burette)
(ii) Used as container for melting and heating to a very high temperature
(iii) Crucible
(iv) used for measuring heat of combustion of a substance
(3b)
PbSO₄ < PbCl₂ < PbNO₃
(3c)
(i) No effect
(ii) Turns red litmus blue
(iii) Turns blue litmus red
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