In a simple reflex action:

When black copper oxide is heated with carbon, brown copper metal is produced, which means that compared to copper, carbon is the:

In terms of mass, compared to a proton, an electron:

The following figures are taken from a manufacturing account.


The cost of tie year's production of finished goods is

How many subsets does the set {a, b, c, d, e} have?

Sea breezes result because:

The workplace should be:

When zinc sulphide is heated in air the gas produced is:

The alloy, brass, contains copper and:

A dynamo connected to a circuit is being turned.Which one of the following would NOT generate a greater e.m.f.?

The treaty which led to the establishment of CARICOM is an example of a

All of these elements form allotropes EXCEPT for:

All of the following are organelles EXCEPT for:

At the cathode all of these can happen EXCEPT for:

Common salt can be used to make all of these EXCEPT for:

All of the following have endoskeletons EXCEPT for:

The group of elements whose molecules and atoms are the same is called:

In a titration the long tube with a volume scale is a:

Which of the following is NOT a prime number?

Which of the following is a subset of {b, c, d}?