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2024 NECO GCE Chemistry Paper I (Alternative to Practical) Questions and Answers

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If you’re preparing for the 2024 NECO GCE Chemistry (Alternative to Practical) exam, this article provides all the information you need. You’ll find the NECO GCE Chemistry Practical questions and answers for 2024, along with tips and exam details to help you succeed.

We offer valuable insights for the NECO GCE Chemistry (Alternative to Practical) exam, making it easy to understand the format and key areas to focus on. Whether you’re looking for the 2024 NECO GCE Chemistry (Alternative to Practical) questions and answers for the November/December exams or want to learn more about the exam format, this guide is designed to help you prepare effectively.

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Download NECO GCE Chemistry (Alternative to Practical) Questions and Answers for 2024

You can also download the NECO GCE Chemistry Practical answers for 2024 as a PDF for offline study. We’ve gathered helpful resources to assist you in understanding the questions and improving your preparation. Use this guide to enhance your study and perform at your best in the exam.

2024 NECO GCE Chemistry (Alternative to Practical) Answers

Important Dates:

The Chemistry Paper I (Alternative to Practical) exam is scheduled for Monday, 18th November 2024, from 2:00 PM – 4:00 PM. The exact timing will be confirmed by the National Examinations Council (NECO).

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NOV/DEC 2024 NECO GCE Chemistry Paper I (Alternative to Practical) Questions and Answers

The resources listed below for Chemistry Practical will help you understand what to expect in the final exams. These materials are essential for students aiming to succeed.

Iyierioba.com has carefully analyzed student performance in past exams, providing useful insights and tips for effective preparation.

By reviewing these resources, you can identify common challenges and successful strategies, giving you a better understanding of what to focus on. This will help improve your comprehension and increase your chances of scoring highly in the exams. Use these tools to guide your study and approach the exam with confidence.

NECO GCE Chemistry Alternative to Practical  | 28th Nov 2024

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(3ai)
(i) Litmus paper
(ii) Universal indicator paper
(iii) pH paper
 
 
(3aii)
Distilled water is free from impurities, dissolved salts, and ions (such as calcium, magnesium, or chloride ions) that may interfere with the reactions during analysis.
 
(3aiii)
(i) Smell or odor
(ii) Effects on litmus paper
(iii) Flammability 
 
 
(3bi)
Sodium trioxocarbonate (IV) (Na₂CO₃) functions as a base because it reacts with acids to neutralize them, forming a salt, water, and carbon dioxide gas.
 
(3bii)
Silver trioxonitrate (V) (AgNO₃) is light-sensitive and decomposes when exposed to light, releasing elemental silver and nitrogen oxides. Storing it in an amber-colored bottle protects it from light, preventing decomposition and maintaining its stability.

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NECO GCE chemistry practical Instructions

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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DISCLAIMER: This article is provided for educational purposes only. We do not promote or encourage exam malpractice.

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