Past Questions And Answers

Note: You Can Select Post UTME Schools Name Below The Exam Year.
16451

Write an article for publication in a national newspaper on the importance of education in national development.

View Discussion (0)WAEC 2013 THEORY
16452

Subscription received in respect of a future period is

  • A) Subscription deposit
  • B) Subscription in advance
  • C) Accrued subscription
  • D) Subscription in arrears
View Discussion (0)POST UTME OAU
16453

The principles of agricultural extension includes the following except

  • A. Gain confidence of your audience
  • B. Programmes must undergo continuous evaluation
  • C. Programmes should be flexible
  • D. Reduce the confidence of your audience
View Discussion (0)JAMB 2022
16454

From the words lettered A to D below each of the following sentences, choose the word that is nearest in meaning to the underlined word.

Mr. Preye is astern father.

  • A. wicked
  • B. loving
  • C. conservative
  • D. strict
View Discussion (0)WAEC 2001 OBJ
16455

Which of the following is used to inform the buyer that goods available for sale?

  • A. Quotation
  • B. Proforma
  • C. Advice note
  • D. Despatch book
View Discussion (0)WAEC 2003 OBJ
16456

The commission established to handle the electoral activities in the Second Republic of Nigeria was

  • A. FEDECO
  • B. NEC
  • C. INEC
  • D. NECON
View Discussion (0)JAMB 2005
16457

If \(4x^{2} + 5kx + 10\) is a perfect square, find the value of k.

  • A. \(\frac{5\sqrt{10}}{4}\)
  • B. \(4\sqrt{10}\)
  • C. \(5\sqrt{10}\)
  • D. \(\frac{4\sqrt{10}}{5}\)
View Discussion (0)WAEC 2018 OBJ
16458

The diagram below is an illustration of the growth of a plant in a water culture. After a few days, the solution turned green and the plant died. Use this to answer this question.

What precaution should have been taken to prevent the solution from turning green?

  • A. use a non-green plant for the experiment
  • B. aerate the solution daily
  • C. cover the culture vessel with opaque paper
  • D. keep cotton wool around the seedling to make it dry
View Discussion (0)WAEC 2021 OBJ
16459

A government headed by a person elected for a fixed period of time is referred to as

  • A. monarchical
  • B. socialist
  • C. republican
  • D. military
View Discussion (0)WAEC 2002 OBJ
16460

(i) State Two assumptions of the kinetic theory of gases

(ii) When some solids are heated, they change directly into the gaseous state. What narne is given to this phenomenon?

(iii) List two substances which exhibit the phenomenon referred to in (a)(ii) above

(iv) Write an expression to show the mathematical relationship between the rate of diffusion of a gas and its vapour density.

(b) Consider the following equilibrium reaction:

3Fe\(_{(s)}\) + 4H\(_2\)O\(_{(g)}\) \(\rightleftharpoons\) FeO\(_3\)O\(_{4(s)}\) + 4H\(_{2(g)}\), \(\Delta\)H = - 150KJ mol\(^{-1}\)

Explain the effect of the following factors on the position of equilibrium: (i) tecrease in temperature; (ii) Increase in pressure; (iii) Removal of hydrogen.

(c) . Three beakers labelled P, Q and S each contained zinc metal of the same mass but in different forms. P contained a length of zinc rod, Q contained zinc dust while S contained zinc foil. 100cm\(^3\) of 5.0 mol dm\(^{-3}\) hydrochloric acid was added to each beaker to react with all the zinc.

(i) State the order in which the reaction came to completion in beakers P,Q and S starting with the fastest.

(ii) Give reason for your answer in (c)(i) above

(iii) Write an equation to represent the reaction between zinc rid the hydrochloric acid.

(d) (i) What is meant by pH of a solution?

(ii)(I) State with reason in each case whether the pH would increase, decrease or remain constant if the following experiments were carried out Neutralizing bench HNO\(_3\);

II. Diluting 25.0 cm\(^3\) of a given NaOH solution to 100.0cm\(^3\) Concentrating a solution of NaCI.

View Discussion (0)WAEC 2004 THEORY