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NECO Chemistry Practical 2024 Questions And Answers

The West African Examination Council (NECO) Has Scheduled The NECO Chemistry Practical 2024 Questions And Answers Paper To Take Place on 4th July, 2024.

This brings the attention of candidates writing the exam in to searching for NECO Chemistry Practical 2024 Questions And Answers, NECO Chemistry Practical Expo 2024, Chemistry Practical NECO 2024, NECO Chemistry Practical Questions 2024, NECO Chemistry Practical Answer 2024, NECO Chemistry Specimen 2024 and etc.

NECO Chemistry Practical 2024 Questions And Answers

In this section, you will read the steps and requirements needed for you to get Waec Chemistry Practical 2024 Questions And Answers before exam.

NECO Chemistry Practical 2024 Paper is Categorized in to 1 part:

  • NECO Chemistry Practical 2024

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2024 NECO EXPO NECO Chemistry Practical 2024 Questions And Answers
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NECO Chemistry Practical Expo 2024

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NECO Chemistry Specimen 2024

INSTRUCTION(S) TO SCHOOL

1. Great care should be taken to ensure that the information given below does not reach the candidates either directly or indirectly before the examination.

2. In addition to the apparatus and reagents expected to be available in a Secondary School Chemistry Laboratory, each candidate will require the following:

(a) One burette (50 cm3)

(b) One pipette (20 cm3 /25 cm3), however all candidates in a centre must use pipette of the same volume

3(a) The usual apparatus and reagents for qualitative work including:

(i) Dilute sodium hydroxide solution

(ii) Dilute ammonia solution

(iii) Dilute hydrochloric acid

(iv) Barium chloride solution

(v) Distilled water

(vi) Red and blue litmus papers

(vii) Copper (II) tetraoxosulphate (VI) solution

(viii) 2.0 molar solution of HCI

(ix) Soda lime solution

(x) Methyl orange

(xi) One boiling tube

(xii) Five test tubes

(xiii) Filtration apparatus

(xiv) Source of heat

 

4. Each candidate should be supplied with the following: A, B, C, and D.- Where ‘n’ is the candidate’s serial number.

(a) 150 cm3 of tetraoxosulphate(VI) acid solution in a bottle labelled “A.. The acid solution which should be the same for all candidates will contain 3.8 cm3 of concentrated tetraoxosulphate(VI) acid per dm3 of solution.

(b) 150 cm3 of sodium trioxocarbonate(IV) solution in a bottle labelled “B,”. The solution which should be the same for all candidates will contain 6.00 g of sodium trioxocarbonate(TV) per dm’ of solution.

(c) One spatulaful of zinc chloride salt in a specimen bottle labelled C

(d) Solution of powdered milk in a specimen bottle labelled D..

5. In all cases, more materials may be given if required.

6. The actual concentrations of A and B must be stated on the Subject Teacher’s Report Form, while the candidates should make use of the concentrations stated in the question paper.

7. Please, do not substitute any substance or solution for those specified in these instructions

ARRANGEMENT AND SERIAL NUMBERS OF CANDIDATES

8. The place for work by candidates in the laboratory should be numbered serially and the candidates allotted these places strictly in order of their examination numbers.

9. The number of every specimen supplied to each candidate should tally with his/her serial number. If a candidate is absent, his/her serial number must not be allotted to another candidate.

10. If candidates are divided into sets, the serial number should be continued through the sets to ensure that no serial number is repeated.

11. Ensure that the candidates record their serial numbers as well as their examination numbers on the front of their answer booklets at the beginning of the examination.

TEACHER’S REPORT

12. Ensure that a completed Teacher’s Report Form is enclosed in each envelop of scripts. This report form is provided separately.

13. Carry out the titration required of the candidates in question I and record the titre values which should be at least one decimal place in the spaces provided for these in the Teacher’s Report Form. Verify the titre values before recording them.

 

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