What is the simple interest earned on $10 000 invested for 3 months at a rate of 5% per annum?

In metals, the particles forming the structure are all:

Three lights flash at intervals of 2, 6 and 14 seconds respectively. They are started together. How soon after will they next flash together again?

Water passes out of leaves through the:

A rectangular tank is 100 cm long, 30 cm wide and 12 cm deep. The volume of liquid it will hold is

A lack of vitamin D in the diet causes:

You look through a microscope to view the Brownian motion of smoke in a container of air. Which one of the following statements is NOT true?

The table shows the distribution of the ages of 25 students.

What is the probability that a student chosen at random is AT LEAST 13 years old?

All of these are alkenes EXCEPT for:

At 20 ℃ all of the halogens are:

To remove limescale from a tap you need:

Raising the temperature of a reversible reaction always encourages the:

What is the BEST option available to persons who are qualified but cannot find a job?

The number of atoms in a diatomic molecule is:

Instructions: Select the option A, B, C or D that BEST describe the sentence.

The politician hammered the nail of his argument into the leafy minds of his audience who had come to hear him speak on the difficult subject of monetary policy.

The following statements refer to the laminated core of a transformer. Which one of them is NOT true?

Which of the following substances contains the elements carbon, hydrogen, oxygen and nitrogen?
Ⅰ DNA
Ⅱ carbohydrates
Ⅲ lipids
Ⅳ proteins

To make cell walls, plants must have:

Genetic engineering involves:

The monomer used to make poly (propene) is called: