BECE Basic Science 2012 Paper 1 Past Questions

The chemical name for common salt is

Stainless steel is an alloy of

An isotope of chlorine is given as ³⁷₁₇Cl, the number of neutrons in its atom is

The reaction of an acid with a base producing salt and water only is called

What is the chemical symbol for potassium?

The rotation of the Earth about its axis causes

How long does it take the Venus to revolve round the Sun?

The nearest planet to the Sun is

Which of the following is called a satellite of the Earth?

Which of these scientists discovered gravity?

The following are petroleum products EXCEPT

Which of the following increases the molecular motion of gases?

A mixture of kerosene and water can be separated by

Acid rain is caused by

Which of the following gases is NOT a constituent of air?

Scientists that travel to the space are called

All the following are examples of electronic media technology EXCEPT

Which of the following is NOT an importance of information communication technology?imation is made easier

The following are basic sciencemass energy resources EXCEPT

The following are non-renewable energy resources EXCEPT

The following can prevent rusting of Iron EXCEPT

A substance containing two or more elements chemically combined together is referred to as a/an

Which of these is NOT a product of the destructive distillation of coal?

The following methods can be used to purify water EXCEPT

The percentage of "Active Air" which supports burning is about

The following are contact forces EXCEPT

A girl of mass 25kg climbs up 8 steps, each of height 0.25m, in 20s. Calculate the power of the girl.
(g=10ms^-2)

Which of the following conditions is work done?

The energy from the sun can be converted to electrical energy by the use of a

Which of the following devices transfer the energy from the engine to the driving wheels in a lorry?

The chemical symbol for sodium is

Water is formed when hydrogen is burnt in the presence of

Which of the following is NOT a metal?

Which of the following is a balanced equation?

The following compounds are bases EXCEPT

Which of the following is most suitable for reducing friction in a machine?

X, Y and Z as indicated in the diagram of a claw hammer shown below, respectively stands for

A machine has a velocity ration of 8 and efficiency of 85%. Calculate the mechanical advantage of the machine.

Which of the following is true about solid molecular structure? The
I. Molecules are fixed in definite positions
II. Molecules vibrate about fixed positions
III. Intermolucular forces of attraction is weak

Which of the following pairs are radiant energy?

The chemical formula for aluminium trioxocarbonate(IV) is

Which of the following is below hydrogen in the activity series?

Which state(s) of matter has no definite volume and shape?

The process by which solid changes directly to gas is

The active component of air that supports combustion is

One end of a metal rod is placed on a bunsen burner, the other end becomes hot after some time. This method of heat transfer is called

A straight rod placed in a basin of water appears bent, this is due to what property of light?

The following are properties of sound EXCEPT

A substance in the form of a bar was suspended by a string. Which of the following statements shows that it is a magnet? It

Magnetic force can be felt around