UNIBEN General Paper 2007/2008 Past Questions

Which of the following is a fundamental unit

Which of the following gases can be collected by the upward displacement of air?

A car moving with a speed of 90km/h was brought uniformly to rest by the application of the brakes in 10s. How far did the car travel after the brakes were applied

To keep a vehicle moving at a constant speed v, requires power P. From the engine. The force provided by the engine is

In the reaction IO^-₃ + 5I^- + 6H²⁺→ 3I₂ + 3H₃O the oxidizing agent is

An inclined plane which makes an angle of 30° with the horizontal has a velocity ratio of

A cyclo alkane with the molecular formula C₅H₁₀ has

A stone of mass mkg is held in meters above the flour for 50s. The work done in Joules over this period is

Three angles of a nonagon are equal and the sum of six other angles is 1110°. Calculate the size of one of the equal angle's

Find two values of y which satisfy the simultaneous equation x + y = 5, X² - 2y² = 1

What is the circumference of radius of the earth?

The electronic configuration of an element is 1s²2s²2p⁶3s²3p³. How many unpaired electrons are there in the element?

Which of the following ions is a pollutant in drinking water even in trace amounts

Which of the following represents the types of bonding present in ammonium chloride molecule?

Find the probability of selecting a figure which is a parallelogram from a square, a rectangle, a rhombus , a kite and a trapezium

The air around a petroleum refinery is most likely to contain

Simply (1¹/₂)/2¹/₄ of 32

The base of a pyramid is a square side If its vertex is directly above the centre, find the height given that edge is 4&radical;3cm

Which of the following gases will rekindle a brightly glowing splint

Which of the following salts can be melted with decomposition.

A lamp is rated 240V, 60W the resistance of the filament is

The number of neutrons contained in nucleus of U₉₂²³⁸ is

Which of the following is the most suitable for use as an altimeter?

When a plane mirror at which a ray is incident is rotated through an angle θ The reflected ray will be rotated through

The minimum value of y in the equation y = x² - 6x + 8 is

A sample of orange juice is found to have a pH of 3.80. Which is the concentration of the hydroxide ion in the juice?

Find the sum of the first 21 terms of the progression -10, -8, -6, ...

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

Water for town supply is chlorinated make it free from

Which of the following obeys ohm's laws?

The D.C. Generator has essentially the same components as the AC. Generator except the presence of

Zener diode is used for

When a pure semiconductor is heated, its resistance

Which of the following is formed when maltose reacts with concentrated tetraoxosulphate (VI) acid?

Which of the following metals will liberate hydrogen from steam?

The fraction of crude oil used as jet fuel is

Convert 241 in base 5 to base 8

Copper (II) tetraoxosulphate (VI) is widely used as a

How many grams of bromine will be required to completely react with 10g of propyne [C = 12, H = 1 , Br =80]

¹⁴₇N + X → ¹⁷₈O + ¹₁H In the above reaction, x is a