2017 JAMB CHEMISTRY PAST QUESTIONS AND ANSWERS

Report a question

You cannot submit an empty report. Please add some details.
0%
Created by Jamb Tutor

Jamb Chemistry

2017 JAMB CHEMISTRY PAST QUESTIONS AND ANSWERS

1 / 40

Category: Jamb Chemistry 2017

1. What flame is used by welders for cutting metals?

2 / 40

Category: Jamb Chemistry 2017

2. At room temperature, solubility comparison in Fig. 1 shows?

3 / 40

Category: Jamb Chemistry 2017

3. Calculate enthalpy change for ${SO}_3(g) + H_2O(l) \to H_2SO_4(l)$

4 / 40

Category: Jamb Chemistry 2017

4. What law is demonstrated by the data for Y and Z?

5 / 40

Category: Jamb Chemistry 2017

5. Identify the correct nuclear equation when neutrons bombard an element.

6 / 40

Category: Jamb Chemistry 2017

6. Vapour density of a gas is defined as?

7 / 40

Category: Jamb Chemistry 2017

7. What is the new pressure if oxygen expands to 20${dm}^3$ from 30${cm}^3$ at 10 atm?

8 / 40

Category: Jamb Chemistry 2017

8. When does a liquid boil?

9 / 40

Category: Jamb Chemistry 2017

9. Which element among W, X, Y, Z is a metal (atomic numbers 2, 6, 16, 20)?

10 / 40

Category: Jamb Chemistry 2017

10. What happens to an electrometer struck by cathode rays?

11 / 40

Category: Jamb Chemistry 2017

11. What process involves heating hydrocarbons to form smaller molecules?

12 / 40

Category: Jamb Chemistry 2017

12. In reaction of sulphuric acid with sugar, it acts as?

13 / 40

Category: Jamb Chemistry 2017

13. What is the composition of smoke?

14 / 40

Category: Jamb Chemistry 2017

14. Electrolysis of dilute ${H_2SO_4}$: products at cathode and anode?

15 / 40

Category: Jamb Chemistry 2017

15. How to increase yield of R in reaction P(g) + Q(g) ⇋ 3R(s) + S(g)?

16 / 40

Category: Jamb Chemistry 2017

16. What is the mass of silver deposited with 10A in 4830s?

17 / 40

Category: Jamb Chemistry 2017

17. Calculate ΔH for CO(g) + ${H_2O(g)} \to {CO_2(g)} + {H_2(g)}$

18 / 40

Category: Jamb Chemistry 2017

18. How many unpaired electrons in ${1s^2 2s^2 2p^5}$?

19 / 40

Category: Jamb Chemistry 2017

19. Which gases demonstrate the fountain experiment?

20 / 40

Category: Jamb Chemistry 2017

20. Why are transition metals colored?

21 / 40

Category: Jamb Chemistry 2017

21. Which separation process yields ≥ 95% ethanol from palm wine?

22 / 40

Category: Jamb Chemistry 2017

22. Products from hydrolysis of esters?

23 / 40

Category: Jamb Chemistry 2017

23. Electrons transferred in 3CuO + ${2NH_3}$

24 / 40

Category: Jamb Chemistry 2017

24. Unpaired electrons in ${1s^2 2s^2 2p^6 3s^2 3p^3}$?

25 / 40

Category: Jamb Chemistry 2017

25. Correct reaction for X + ${CuSO_4}$

26 / 40

Category: Jamb Chemistry 2017

26. Why use coke in blast furnace?

27 / 40

Category: Jamb Chemistry 2017

27. Bond between atoms Y and Z?

28 / 40

Category: Jamb Chemistry 2017

28. Gas expands: final-to-initial temperature ratio?

29 / 40

Category: Jamb Chemistry 2017

29. Chemical for coagulation in water purification?

30 / 40

Category: Jamb Chemistry 2017

30. What dissolves fats?

31 / 40

Category: Jamb Chemistry 2017

31. What gases remain after alkaline pyrogallol absorption?

32 / 40

Category: Jamb Chemistry 2017

32. Number of atoms in one mole of a substance equals?

33 / 40

Category: Jamb Chemistry 2017

33. What indicates number of bonds atom forms?

34 / 40

Category: Jamb Chemistry 2017

34. What is the structural formula of ethanoic acid?

35 / 40

Category: Jamb Chemistry 2017

35. What worsens pollution from car exhaust?

36 / 40

Category: Jamb Chemistry 2017

36. Volume of 0.5M ${H_2SO_4}$ neutralizing ${20cm^3}$ of NaOH?

37 / 40

Category: Jamb Chemistry 2017

37. Which substance is an electrolyte?

38 / 40

Category: Jamb Chemistry 2017

38. Reaction to increase rate: ${Na_2S_2O_3}$ + HCl?

39 / 40

Category: Jamb Chemistry 2017

39. Which substance has the lowest vapor density?

40 / 40

Category: Jamb Chemistry 2017

40. How does impurity affect melting point?

Your score is

The average score is 0%

0%

Leave a Comment

Your email address will not be published. Required fields are marked *

error: Content is protected !!