Wushishi appointed as the New NECO registrar

 President Muhammadu Buhari has approved the appointment of Prof. Ibrahim Dantani Wushishi as the registrar of NECO.  The appointment was contained in letter signed by the Minister of Education, Malam Adamu Adamu.  Professor Wushishi is the first indigene of Niger state appointed to head the council.
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Chemistry Mock exam Questions 2021


List of questions asked in Jamb mock exam 2021


 Some topics ask on Chemistry 

  • Calculation on solubility
  • Naming of organic compound
  • Application of polymerization was asled too
  • The differences between fat and oil
  • The catalyst used in contact process
  • The catalyst used in hydrogenation
  • Le chatelier principle was asked 
  • Writing of equilibrium constant
  • Effect of change in temperature on equilibrium
  • Separation techniques
  • Calculation on the mass of substance deposited during electrolysis
  • The equation at the anode during the electrolysis of cupper sulphate
  • Identification of oxidizing and reducing agents
  • Balancing of redox reaction
  • Calculation of oxidation number of an element in a compound.


Chemistry Questions 

1. The vigorous oxidation of primary alkanol yields?

2. The metallic part of clay is?

3. Which of the following metals would not form amalgam?

4. The restructuring of organic compounds to convert it from straight to branched chain is called?

5. Which indicator would be used for the following reaction and what colour would it give?

KOH + CH3CH2COOH  H2O + CH3CH2COOK

6. Identify Reducing/ Oxidizing agents in equations

7. Calculations involving volume/mole/molar concentration

8. Which of the will exhibit the most electronegative character?

a ) Al b) Si c) P d) S

9. Hydrolysis of organic nitriles will yield?

10. The bomb calorimeter makes use of which of the following?

ans: Combustion

11. How many isomers of C4H9OH will be a tertiary alkanol?

12. Oxides of non-metals give?

ans: Acidic oxides

13. Name the compound CH3CH2COOCH3

14. In the reaction 2SO2 + O2 -X-- 2SO3 , X is?

15. Which of these make oils distinguished from fats?

ans: Oils contain a higher proportion of unsaturation

16. If at a temperature of 120oC, the rate of formation of a product is 40cm3sec-1, what will be the new rate of formation of the product at 130oC

17. Calculations for solubility in mol/dm-3

18. The characteristic crystalline shape of solid water is due to?

a )Ionic bond b) dative bond c) hydrogen bond d) vander waals bond

19. N , H2S , CO2 , Cl Which is soluble at room temperature?

20. Which of the following is not easily hydrolysed by dilute acids

ans: Cellulose

21. Calculations involving Keq (Equilibrum constant)

22. The purest form of natural water is?

23. The most polluted form of water is?

24. The purest form of amorphous carbon is?

25. The compound of copper used for electroplating is ?

26. The most abundant rare gas is?

27. The ability of an organic compound to form multiple bonds with itself is?

ans: Catenation

28. Hydration energy does …………….?

a ) Liberates heat b) Absorbs heat

29. PxVyTz=K , If K is the constant for Charles law, what will be the values of x,y, and z

30. 3C2H2--x- C6H6 The catalyst x is …………?

Ans: Organo Nickel

31. which of the following metals cannot form amalgamation 

  1. zinc
  2. aluminum
  3. fe
  4. cu


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