Live NECO Chemistry Questions and Answers 2021/2022 to Objectives and Essay. Get the latest NECO Chemistry expo today. All candidates that are ready should make good Use of the NECO Chemistry 2021 Questions and Answers provided on this page.
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NECO Chemistry Objectives 2021 Questions and Answers
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- 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)
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NECO Chemistry Essay Questions and answers 2021
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.
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The following are how to pass NECO Examination.
NECO Chemistry Expo 2021
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 to you.
- Go to the NECO Exams venue early
- Avoid Distraction Before or during exams
- Enter your details in the answers booklets correctly
- Make sure your hand writing are readable
- follow the examination instruction
- Start with the questions that you are familiar with.
- Crosscheck your answers before submission
I hope the NECO Chemistry Questions and Answers is useful to you and the Exam will never be a problem for you after going through this wonderful article.