The empirical formula, C₆H₁₂O₆, gives the simplest ratio as:

When an acid neutralises an alkali the pH is likely to be:

The number 0.0417 in standard form is

All the following are examples of hardware interfaces EXCEPT __________.

The number of carbon atoms in the alcohol, pentanol, is:

The Earth′s first atmosphere contained all of these gases EXCEPT for:

The main taxonomic groups in order, starting with the largest, are:

A certain nucleus has 12 protons and 16 neutrons.Which one of the following statements about the nucleus is NOT true?

On January 1, a firm's capital is $4,600. On December 31, of the same year, the following information was provided: Drawings $850, Total Assets $10,000. Loan Outstanding $950 and Creditors $4,000. What was the Net Profit that year?

All of the following devices are commonly used non-impact printers EXCEPT __________.

Mrs. Green is a dry goods merchant. Which of the following transactions would result in a debit to her Cash Account?

What is the name of the interface used by visually impaired persons to operate a computer system?

Which one of the following gases is considerably heavier than air?

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?

Which of the following does NOT play a role in evolutionary change?

When we focus on a near object, the lens in our eye:

The pie chart above shows how a student used 10 hours per week for studying English (E), Mathematics (M), French (F) and Geography (G), The amount of hours spent studying French is approximately

The rate of reaction between marble and hydrochloric acid can be speeded up by using:

Given that a and b are integers, which of the following is not necessarily an integer?

To make cell walls, plants must have: