To complete the reaction: acid + carbonate → salt + carbon dioxide + ?, we must add the word:

If p * q = pq² , then 2 * 3 =

The voltages from the electrochemical series are -2.92 for potassium and +0.34 for copper, which shows that:

Some plants reproduce by forming bulbs. The new plants that grow from the bulbs will be genetically identical
because:

We lose water mainly in:

Which of the following are all deficiency diseases?

Overfishing means:

Three lights flash at intervals of 4, 6 and 10 seconds respectively. They are started together. How soon after will they next flash together again?

The aim of the experiment shown above was to find out if:

The non-metal used to make margarine is:

Instruction: Choose from the four options the word or pair of words which BEST completes the meaning of the sentence.

Despite his short-temper, his willingness to give of his wealth to help others to succeed led people to call him ............

The speed of an ink-jet printer is measured by the number of __________ it can print.

0.0039 × 10^-2 in scientific notation is

The number of double bonds in a molecule of carbon dioxide is:

In the rectangle above, if ∠AEB = 80°, then ∠DAC =

Absolute zero is:

Which one of the following statements about constructive interference is NOT true?

Which of the following BRST describes the Organization of Eastern Caribbean States (O.E.C.S.)?

Banks and other financial institutions utilize __________ technology that automatically verifies the identity of callers wishing to access their accounts.

The only one of the following which is NOT a change of state is: