NECO Chemistry Past Questions – Getting this past question will help you score higher than your competitors. It will expose you to the questions that have been asked previously as those questions and answers get repeated every year and if you don’t have a copy of this past question, then I am afraid, you are missing out.
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Why you need NECO Chemistry Past Questions
Past questions help you understand which area of the questions is more important than others. In doing so, you spend more time on the more important questions and give you more marks than others. This technique can help you if you have limited time.
NECO Chemistry Past Questions Pattern
NECO Chemistry Past Questions is in a multiple-choice question pattern and essay. We have made it very easy for you. We bring all the questions for many years and put them together but indicate the specific years of their occurrence. We provide the correct answers to save you time. All you need to do is devote quality time to studying the NECO Chemistry Past Questions and watch yourself change the narrative by scoring better than you expected in the examination.
NECO Chemistry Past Questions Sample
To know that we are giving out the original NECO Chemistry Past Questions, we have decided to give you some free samples as proof of what we said earlier.
- A. hydrogen, oxygen
- B. Hydrogen, tetraoxosulphate (VI) ion
- C. oxygen, hydrogen
- D. sulphur, hydrogen
- E. sulphur, oxygen
ANS: C
What is the molar mass of the compound above?
[ H=1, C=12, O=16 }
- A. 45
- B. 61
- C. 180
- D. 123
- E. 244
ANS: C
- A. 39.03
- B. 46.81
- C. 53.18
- D. 67.69
- E. 76.92
ANS: C
- A. H2S
- B. H2S04
- C. MgSO4
- D. Na2SO3
- E. S03
ANS: D
- A. across a period from left to right
- B. across a period from right to left
- C. diagonally down the group
- D. Down a group
- E. with a decrease in atomic number
ANS: A
- A. deliquescent
- B. effervescent
- C. Efflorescent
- D. fluorescent
- E. hygroscopic
ANS: C
- A. nitrogen and carbon (IV) oxide
- B. nitrogen and noble gases
- C. nitrogen and oxygen
- D. nitrogen, carbon (VI) oxide and noble gases
- E. the noble gases
ANS: B
- A. 2
- B. 3
- C. 4
- D. 5
- E. 6
ANS: C
9. What mass of copper in a gram would be deposited by a current of 1.00ampere passing for 965 seconds through copper(II) tertraoxosulphate (VI) solution? [Cu 63.5; If = 96500c]
- A. 0.32
- B. 0.64
- C. 3.18
- D. 6.35
- E. 9.65
ANS: A
- A. Aluminium
- B. Calcium
- C. iron
- D. Magnesium
- E. Sodium
ANS: C
11. The furring of kettles and boilers is caused by
- A. calcium hydroxide
- B. calcium hydrogen trioxocarbonate (IV)
- C. calcium trioxocarbonate (IV)
- D. calcium tetraoxocarbonate
- E. magnesium tetraoxocarbonate (VI)
ANS: C
- A. covalent
- B. dative
- C. electrovalent
- D. hydrogen
- E. metallic
ANS: C
- A. P1 /T1 = P2/T2
- B. P1/V1 = P2V2
- C. PV =nRT
- D. PV =KT
- E. V1/T1 = V2/T2
ANS: C
- A. co-ordinate bond
- B. covalent bond
- C. Electromagnetic force
- D. hydrogen bond
- E. Van der Waals forces
ANS: E
- A. NaCl
- B. NaHSO4
- C. Na2CO4
- D. Na2SO4
- E. MgCl2
ANS: C
- A. δ G ° =-nFE °
- B. δG °-RT ln K
- C. δ G °= + RT In k
- D. δG ° = δH – T S
- E. H=TδS
ANS: B
- A. Argon
- B. Bromine
- C. Chlorine
- D. Fluorine
- E. Iodine
ANS: E
- A. carbon (II) oxide
- B. carbon (IV) oxide
- C. hydrogen sulphide
- D. nitrogen (II) oxide
- E. oxygen
ANS: B
- A. bauxite
- B. dolomite
- C. graphite
- D. haematite
- E. magnetite
ANS: C
- A. Boyle’s
- B. Charles’
- C. Dalton’s
- D. Graham’s
- E. Gay Lussac’s
ANS: C
How to Buy
The complete NECO Chemistry Past Questions with accurate answers is N2,000.
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7 Tips to Prepare for NECO Chemistry Exams
- Don’t make reading your hobby: A lot of people put reading as a hobby in their CV, they might be right because they have finished schooling. But “You” are still schooling, so reading should be a top priority and not a hobby. Read far and wide to enhance your level of aptitude
- Get Exams Preparation Materials: These involve textbooks, dictionaries, Babcock University Post UTME Past Questions and Answers, mock questions, and others. These materials will enhance your mastery of the scope of the exams you are expecting.
- Attend Extramural Classes: Register and attend extramural classes at your location. This class will help you refresh your memory and boost your classroom understanding and discoveries of new knowledge.
- Sleep when you feel like: When you are preparing for any exams, sleeping is very important because it helps in the consolidation of memory. Caution: Only sleep when you feel like it and don’t oversleep.
- Make sure you are healthy: Sickness can cause excessive feelings of tiredness and fatigue and will not allow you to concentrate on reading. If you are feeling as if you are not well, report to your parent, a nurse, or a doctor. Make sure you are well.
- Eat when you feel like it: During the exam preparation period, you are advised not to overeat, and to avoid sleep. You need to eat little and light food whenever you feel like eating. Eat more fruits, drink milk and glucose. This will help you enhance retention.
- Reduce your time on social media: Some people live their entire lives on Facebook, Twitter, WhatsApp, Messenger chat. This is so bad and catastrophic if you are preparing for exams. Try and reduce your time spent on social media during this time. Maybe after the exams, you can go back and sleep in it.
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