Tuesday, February 23, 2016

Final 2016/2017 JAMB Possible/Likely Questions And Answers On Chemistry For Science Students

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As The 2016/2017 JAMB UTME Exam date approaches we have compiled the final possible and likely questions and answers for physics students to practice before they enter their exam hall.

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Note: this is not the real questions but are majorly what to expect, real questions and answers will only be sent to our VIPS who made payment for that.
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Compiled by www.elitesplanetblog.com
1. According to the kinetic theory, an increase in temperature causes the kinetic energy of particles to
a. decrease b. remain constant c. increase d. be zero
2. When a sugar is dissolved in tea, the reaction is always accompanied by
a. positive entropy change b. no entropy change c. negative entropy change d. a minimum entropy change
3. The noble gases owe their inactivity to
a. octet configuration b. hexagon shape c. cyclic shape d. obtuse configuration
4. The commonest feature of reactions at the anode is that
a. electrons are consumed b. ions are reduced c. oxidation is involved d. electrode dissolves
5. The salt that will form a precipitate soluble in excess ammonia solution is
a. Ca(NO32) b. Mg(NO3)2 c. Cu(NO3)2 d. Ai(NO3)3
6. The process by which atoms are rearranged into different molecular structures in the petroleum refining process is referred to as
a. catalytic cracking b. polymerization c. hydrocracking d. reforming
7. Which of the following is an electrolyte?
a. Achohol b. solid potassium hydroxide c. sodium acetate solution d. mercury
8. In the electrolysis of a concentrated solution of sodium chloride using inert electrodes, which of the following ions are discharged at the cathode and anode respectively?
a. Na+ and Cl- b. H+ and OH- c. N+ and OH- d. H+ and Cl-
9. Metals of the first transition series have special properties which are different from those of groups I and II elements becuase they have partially filled
a. d orbitals b. p orbitals c.s orbitals d. f orbitals
10. which of the following is a physical change?
a. Exposing white phosphorus to air b. Freezing ice-cream c. burning kerosen d. dissolving calcium in water
11. A change in the temperature of a saturated solution disturbs the equilibrium between the
a. dissolved solute and the undissolve solute b. solvent and the undissolved solute c. dissolved solute and the solvent d. dissolved solute and the solution.
12. How many isomers does pentane have?
a. 4 b. 5 c. 6 d. 3

13. Which of the following oins is acidic?
a. No-3 b. S2- c. H3O+ d. k+
14. Agas exerts pressure on its container becuase
a. of the collision of the molecules with each other b. some of its molecules are moving faster than others c. of the mass of the molecules of gas d. the molecules of a gas collide with the walls of the container
15. The filter in cigarette reduces the nicotine content by
a. absorption b. burning c. evaporation d. adsorption
16. The process by which atoms are rearranged into different molecular structures in the petroleum refining process is referred to as
a. reforing b. catalytic cracking c. polymerization d. hydrocracking
17. The noble gases owe their inactivity to
a. obtuse configuration b. octet configuration c. hexagon shape d. cyclic shape
18. The weakest attractive force that can be observed between two molecules is the vander waals.
a. van der waals b. ionic c. coordinate covalent d. covalent
19. A consequence of global warming is
a. flooding b. air pollution c. increase humidity d. water pollution
20. Hydrogen can be displaced from a hot alkaline solution by
a. Sn b. Fe c. Ca d. Cu
21. The commonest feature of reactions at the anode is that
a. electrode dissolves b. electrons are consumed c. ions are reduced d. oxidation is involved
22. which of the following is found in cotton?
a. Fat b. Cellulose c. Oil d. Starch
23. Chlorine gas turns a damp starch-oidide paper
a. red b. colourless c. dark blue d. pink
24. Which of the following will change when a catalyst is added to a chemical reaction?
a. The heat of reaction b. The potential energy of the reactants c. The potential energy of the products d. The activation energy
25. Alkanones are generally obtained by the oxidation of
a. alkanoic acid b. primary alkanols c. tertiary alkanols d. secondary alkanols
26. How many moles of HCL will be required to react with potassium heptaoxodichromate (VI) to produce 3 moles of chlorine?
a. 11 b. 14 c. 10 d. 12
27. For a reaction in equilibrium, the species invlolved in the equilibruim, constant expression are
a. solid and dissolved species b. gaseous and solid species c. gaseous and dissolved species d. liquid and solid species
28. The knowledge of half life can be used to
a. create an element b. detect an element c. irradiate an element d. split an element
29. The distance between the nuclei of chlorine atoms in a chlorine molecule is 0.194mm. The atomic radius of chloride atom is
a. 0.0097mm b. 0.194mm c. 2.388mm d. 0.388mm
30. Water molecules can be ligands especially when they are bonded to
a. alkaline earth metals b . alkali metals c. group VII elements d. transition metals 
Note: This is just the likely/possible questions and answers for revision purposes. To get the real questions and answers CLICK HERE.

Important Educational News Quick Links- 2017/18

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