NECO Chemistry Practical 2021 Questions and Answers Free Specimen

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NECO chemistry practical 2021 Questions

NECO Chemistry Practical 2021 Questions and Answers Specimen Free Expo
neco chemistry practical Questions and Answers 2021 specimen

See free NECO Chemistry Practical 2021 Questions and Answers & specimen for 14th July 2021 June/July NECO examination.

NECO Chemistry Practical Questions and Answers 2021 Specimen

CHEMISTRY PRACTICAL SPECIMEN:
TITRATION

(i) Dilute sodium hydroxide solution
(ii) Dilute ammonia solution
(iii) Dilute hydrochloric acid
(iv) Dilute trioxonitrate(V)acid
(v) Distilled water
(vi) Red and blue litmus paper
(vii) Barium chloride solution
(viii) Phenolphthalein solution
(ix) Methyl orange
(x) One boiling tube
(xi) Five test tubes
(xii) Source of heat
(xiii) Wash bottle containing distilled water
(xiv) Filtration apparatus

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NECO 2021 Chemistry Practical Answers / Expo

(1a)
Tabulate

Volume of pipette used=25cm3.
Indicator used= Methyl orange

Under Titration, Rough, 1st, 2nd, 3rd,

Final burette reading; |25.00| |23.40| |23.50| 23.60|

Initial burette reading; |0.00| |0.00| |0.00| |0.00|

Volume of A used; |25.00| |23.40| |23.50| |23.60|

(1ai)
Average volume of Acid used=23.40+23.50

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NECO 2021 chemistry practical date

NECO 2021 Chemistry Practical is on July 14, 2021.

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