UNILORIN General Paper - Science & Engineering 2009/2010 Past Questions

In the course of purifying water for town supply, the water is passed through large settling tanks containing sodium aluminates (III) to remove

When a few drops of water is added to a blue anhydrous cobalt (ii) chloride the colour changes to

The vulcanizer's solution is prepared by dissolving lubber in

The uncovered raw food that is sold along major roads is likely to contain sonic amounts of

What is the pH of a 0.001 mol/dm³ solution of sodium hydroxide?

What is the basicity of CH₃COOH

If a given quantity of electricity liberates 0.65g of Zn²⁺, what amount of Hg²⁺ would be liberated by the same quantity of current? (Zn 65, Hg = 201).

NH_3(g) + HCL_(g) ⟶ NH₄CL_(s) The entropy change in the system above is

The gas can be used to demonstrate the fountain experiment is

The most common ores of iron include

Find the value of (1.28 x 10⁴) ÷ (6.4x 10²)

A father decided to give 20% of monthly income to his three children as their monthly allowance. The eldest child, got 45% of the allowance and the younger got 25%. How much was the father's monthly income if the second child got #3,000.00.

Five years ago, a father was 3 times as old as his son, now, the sum of their ages is 110 Years. What is the present age of the father?

If the four interior angles of a quadrilateral are (x+10)°, (x-30)°, (2x-45)° and (x+15)°, what is the value of x?

A pentagon has four of its angles equal. If the size of the fifth angle is 60°, find the size of each of the four equal angles.

What will be the value of k so that the quadratic equation. kx²-4x+1 = 0 has equal roots?

Given a regular hexagon calculate each Interior angle of the hexagon

The lengths of the sides of a right angled triangle are (3x+1)cm, (3x-1)cm and x cm. find x

4sin² x - 3 = 0. find x if 0 ≤ x ≤ 90°

Solve for x and y in the pair of equation 2x^-1 - 3y ^-1 = 4; 4x^-1 + y^-1 = 1

Find the two values of y which satisfy the simultaneous equation 3x+y = 8, x + xy = 6

Find the sum of the first nine terms of an arithmetic progression whose first term is 11 and the fourth term is 32.

Find the eleventh term of the progression 4, 8,16, 32,...

What is the value of 101101 base 2 in base ten?

If 2257 is the result of subtracting 4577 front 7056 in base n, find n.

A steel ball of radius 1 cm is dropped into a Cylinder of radius 2cm and height 4cm. If the cylinder is now filled with water, what is the volume of the water in the cylinder?

A solid cylinder of radius 3cm has a total surface area of 36πcm². Find its height.

The lengths of the sides of a right angled Triangle are x cm, (3x - 1)cm and (3x + 1)cm. Find x.

A set of data contains a total of 130 items which are divided into six groups for display on a pie chart. If one group contains 26 items, then the sector representing this group on the pie chart contains an angle x°at the centre of the circle where x is

A group of 14 children got the following scores in a reading test: 35,35, 26, 26, 26,29,29,29,12,25,25,25,25,17 what was the median score?

In a bean seed, absorption of water at the beginning of germination is through the

The axial skeleton is found in the

Which of the following animal is the most adapted for water conservation?

The association between bacteria Residing in the caecum and the ruminant is

A marine protozoan is likely to have no contractile vacuole mainly because the cytoplasm is

Mass of a crucible = 10g. Mass of the crucible and soil before heating = 28g. Mass of a crucible and soil after heating = 19g. From the information above, determine the percentage of water in the given soil sample?

The major cause of global warming is the

A farmer's assumption that the seed from a good harvest will produce a good yield is explained by the theory of

A woman with the ability to roll her tongue (Tt) marries a man who cannot roll his tongue (tt). What is the probability of each of their children being a tongue roller

Plant that grow in an area that is neither too wet nor too dry are