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NECO Chemistry Objectives Questions and Answers 2020
The National Examination Council is Responsible for the Setting and marking of the NECO Examination. The board does not welcome any form of examination Malpractice. Due to this fact, We advise all the candidates that registered for the 2020 NECO Exam to be ware of people promising to supply the answers during the exam. All the answers to the questions are there with you, there is no other expo.
- A. carbon – 14
- B. iodine 131
- C. technetium 99
- D. uranium235
- E. uranium 238
ANSWER: B (iodine 131)
- A. Ba2+(aq) + SO2-4 (aq) → BaSO4(s)
- B. Cl2(g) + 2Br– (aq) → 2CI – (aq) + Br2(g)
- C. Fe2+(aq) + ½ C I2(aq) → Fe3+ (aq) + CI–(aq)
- D. 2Fe3+(aq) + Sn2+(aq) → 2Fe2+(aq) Sn4+ (aq)
- E. Zn(s) + CU2+(aq) → Zn2+(aq) + CU(s)
ANSWER: A (Ba2+(aq) + SO2-4 (aq) → BaSO4(s))
- A. are diatomic
- B. are good oxidizing agents
- C. are highly electronegative
- D. have high electron affinity
- E. have relatively low ionization potentials
ANSWER: E (have relatively low ionization potentials)
- A. CH2
- B. CH3
- C. C2H2
- D. C2H4
- E. C2H6
ANSWER: B (CH3
- A. dehydration
- B. esterification
- C. halogenation
- D. hydrogenation
- E. saponification
ANSWER: B (esterification)
NECO Chemistry Theory answers 2020
The following has been proving itself very useful in time like this, follow it and and passing the NECO Chemistry Exam can never be a problem for you.
The following are how to pass WAEC Examination.
SET TARGETS AND WORK HARD TO ACTUALISE IT:
You have decided to pass NECO Chemistry 2020 and I am sure of that. Now, the next thing you should do is set targets.
You have told yourself, “I will score A in Neco Chemistry 2020”, that’s not all. You need to plan how to make it happen. Create a timetable and master plan to achieve your goals.
GET CHEMISTRY RECOMMENDED BOOKS FOR NECO 2020:
Normally, Neco recommends books for the examination. But apart from neco literature in English where certain novels are compulsory, you are free to use any good Chemistry textbook to prepare for Neco 2020 exam.
Some textbooks are more difficult to understand. If you have any topic you are finding difficult to understand, then get a textbook that will simplify the topics and make life better for you.
DON’T SKIP CHEMISTRY EXAMPLES AND EXERCISES:
Many candidates are fond of skipping exercises and even examples while studying textbooks. In fact, “we” loved notebooks so much that we could ask, “can I read my notebook and pass NECO Chemistry 2020?” Don’t be scared of attempting exercises in Chemistry. Face the challenges.
SOLVE PROBLEMS IN NECO CHEMISTRY PAST QUESTIONS:
This is another factor that affects candidates success. Do not read Chemistry past questions; answer past questions. Ensure to understand and solve each problem. If you find any question difficult while attempting the Chemistry past questions, then feel free to consult your book for broad knowledge about the topic
This is very important. Once in a while, answer full one-year Chemistry past questions on your own without checking the answers. Then mark to see what you score. With this, your confidence is very sure for 2020 NECO.
I hope the NECO Chemistry Exam will never be a problem to you after going through this wonderful article. NECO 2020/2021 Chemistry Answers and Questions Loading…