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JAMB Past Questions On Chemistry in PDF Format

Before going for any examination, maximum preparation is required to get the necessary success. therefore, we bring you information on jamb past questions in Chemistry Past Questions in PDF Format, what it is all about, how it is patterned to suit your demand, and the easiest way to download or get it. Pounds to Naira

What is JAMB Past Questions On Chemistry in PDF

Let us begin by explaining what this past question is all about. Jamb Past Questions And Answers On Chemistry is the compilation of all the Jamb Past Questions And Answers On Chemistry has given to students seeking admission into its university through the utme mode of entry to answers as part of the requirement for the offer of provisional into various programs of the school and the past question is presented in pdf format. We have made it very simple, portable, and affordable such that every student can get it or download it as long as they have access to the smartphone. therefore, jamb mathematics past questions is what every intending jamb candidate needs to pass the examination well. Jamb Past Questions And Answers On chemistry in PDF Format

All those who have bought our past questions have been giving testimonies of how it helped them. We are very sure it is going to help you as well. When you get this past question it will definitely help you to score higher than your competitors and give you an edge over them. Pounds to Naira

With the proper use of our original JAMB Past Questions On Chemistry in PDF Format, you will definitely pass the examination and come out with flying colors smiling. This Chemistry past question comes to you through your email address or Whatsapp once you make payments to purchase it. The downloadable format is going to be in softcopy, you can either choose to download it and read with your android phone or laptop and at your own convenience – wherever and whenever.

How is JAMB Past Questions On Chemistry Patterned

Normally, the JAMB Past Questions On Chemistry in a multiple-choice question pattern. We have made it very easy for you. we bring all the questions for many years and put them together but we indicate the specific years of their occurrence. We provide the correct answers in order to save your time. All you need to do is to devote quality time to study the JAMB Past Questions On Chemistry in PDF Format and watch yourself change the narrative by scoring better than you expected in the exams. Pounds to Naira

Why You Need A Copy of JAMB Past Questions On Chemistry in PDF Download

You need this past question for the following under listed reasons;

It will also expose you to the questions that have been asked years back as most of those questions and answers get repeated every year while some will just be rephrased. So if you don’t have a copy of this past question, then you are losing out.

  1. It, however, provides useful information about the types of questions to expect and helps you prevent unpleasant surprises.
  2. You will be able to detect and answer repeated questions quickly and easily.
  3. You will be able to find out the number of questions you will see in the exams.

JAMB Past Questions On Chemistry Sample

In other to know that we are giving out the original JAMB Past Questions On Chemistry, we have decided to give you some free samples as proof of what we said earlier.

Objective Questions

1. A mixture of iodine and sulphur crystals can be separated by treatment with
A. water of filter off sulphur
B. carbon (1V) sulphide to filter off iodine
C. ethanoic acid to filter off sulphur
D. methanol to filter off iodine

2. Sieving is a technique used to separate mixtures containing solid particles of
A. small sizes
B. large sizes
C. different sizes
D. the same size

3. Which of the compounds is composed of Al, Si, O and H?
A. Epson salt
B. Limestone
C. Clay
D. Urea

4. 50cm3 of carbon (11) oxide was exploded with 150cm3 of air containing 20% oxygen by volume, which of the reactants was in excess?
A. Carbon (11) oxide
B. Carbon (1V) oxide
C. Oxygen
D. Nitrogen

5. How many moles of HCl will be required to react with potassium heptaoxodichromate (V1) to produce 3 moles of chlorine?
A. 14
B. 12
C. 11
D. 10

6. The ratio of the initial to the final pressure of a given mass of gas is 1:1:5. Calculate the final volume of the gas if the initial volume was 300cm3 at the same temperature.
A. 120 cm3
B. 200 cm3
C. 450 cm3
D. 750 cm3

7. The partial pressure of oxygen in a sample of air is 452mm Hg and the total pressure is 780mmHg. What is the mole fraction of oxygen?
A. 0.203
B. 0.579
C. 2.030
D. 5.790

8. The fundamental difference between the three states of matter is the
A. shape of their particles
B. number of particles in each state
C. shape of the container they occupy
D. degree of movement of their particles

9. Which of the following statements is correct about the periodic table?
A. Element in the same period have the same number of valence electrons
B. The valence electrons of the elements in the same period increase progressively across
the period
C. Elements in the same group have the number of electron shells
D. The non-metallic properties of the elements tend to decrease across each period

10. The electron configuration of 22X2+ ion is
A. ls2 2s2 2p6 3s2 3p6 4s2 3d2
B. ls2 2s2 2p6 3s2 3p6 4s2 3d1
C. ls2 2s2 2p6 3s2 3p6
D. ls2 2s2 2p6 3s2 3p6 4p2

11. Which of the following types of bonding does not involve the formation of a new substance?

A. Metallic
B. Covalent
C. Co-ordinate
D. Electrovalent

12. The knowledge of half-life can be used to
A. create an elementJamb form 
B. detect an element
C. split an element
D. irradiate an element

13. The shape of CO2H2O and CH4 respectively are
A. bent linear and tetrahedral
B. bent tetrahedral and linear
C. linear bent and tetrahedral
D. tetrahedral, linear and bent.

14. The distance between the nuclei of chlorine atoms in a chlorine molecule is 0.914 nm. The atomic radius of the chlorine atom is
A. 0.097 nm
B. 0.914 nm
C. 2.388 nm
D. 2.388 nm

15. The noble gas, argon, is used for
A. electric are welding
B. welding brass
C. underwater welding
D. steel welding

16. A side effect of soft water is that
A. it gives an offensive taste
B. excess calciums precipitate
C. it attacks lead contained in pipes
D. it encourages the growth of bacteria

17 Water molecules can be ligands especially when they are bonded to.
A. alkaline earth metals
B. alkali metals
C. transition metals
D. group V11 elements

18. The air pollutant unknown in nature is
A. NO
B. CO
C. HCHO
D. DDT

19. 10dm3 of distilled water used to wash 2.0 g of a precipitate of AgCl. If the solubility product of AgCl is 2.0 x10-10 moldm-6, what quantity of silver was lost in the process?
A. 2.029 x10-3  mol dm-3
B. 1.414 x 10-3 mol dm-3
C. 2.029 x 10-5 mol dm-3
D. 1.414 x 10-5 mol dm-3

20. Hydration of ions in solution is associated with
A. absorption of heat
B. reduction of heatWaec Result
C. conduction of heat
D. liberation of heat

21. In which order are the following salts sensitive to light?
A. Agl ›AgCl ›AgBr
B. AgCl ›Agl ›AgBr
C. AgBr ›AgCl ›AgI
D. AgCl ›AgBr ›AgI

23. Thee pOH of a solution of 0.25 mol dm-3  of hydrochloric acid is
A. 12.40
B. 13.40
C. 14.40
D. 14.60.

24. For a reaction in equilibrium, the species involved in the equilibrium constant expression are
A. gaseous and solid species
B. liquid and solid species
C. solid and dissolved species
D. gaseous and dissolved species Jamb Result

25. A phenomenon where an element exists in different forms in the same physical state is known as
A. isomerism
B. amorphism
C. allotropy
D. isotropy

26. The substance often used for the vulcanization of rubber is
A. chlorine
B. hydrogen peroxide
C. sulphur
D. tetraoxosulphate (V1) acid

27. A gas that is not associated with global warming is
A. CO2
B. SO3
C. CH4
D. H2

28. The refreshing and characteristics taste of soda water and other soft drinks is as a result of the presence in them of
A. carbon(1V)oxide
B. carbon(11) oxide
C. soda
D. glucose

29. A form of carbon used for absorbing poisonous gases and purification of noble gases is
A. wood charcoal’
B. animal charcoal
C. carbon fibres
D. carbon black.

30. Synthetic gas is a mixture of
A. CH4 and H2O
B. CH4 and H2
C. CO2 and H2
D. CO and H2

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7 Tips to Prepare for JAMB Chemistry Exams

  1. 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 in top priority and not as a hobby. Read far and wide to enhance your level of aptitude
  2. 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 mastering of the scope of the exams you are expecting. Jamb form 
  3. Attend Extramural Classes: Register and attend extramural classes at your location. This class will not only help you refresh your memory but will boast your classroom understanding and discoveries of new knowledge.
  4. 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.
  5. 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.
  6. Eat when you feel like: During the exam preparation period, you are advised not to overeat, so as to avoid sleep. You need to eat little and light food whenever you feel like eating. Eat more of fruits, drink milk and glucose. This will help you to enhance retention.
  7. Reduce your time in social media: Some people live their entire life 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.

If you like these tips, consider sharing them with your friends and relatives. Do you have a question or comments? Put it on the comment form below. We will be pleased to hear from you and help you to score as high as possible. Waec Result

We wish you good luck!