If the relative atomic mass (RAM) = 1 for hydrogen and 16 for oxygen, the formula mass for H₂O₂ is:

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

Traffic bottlenecks must be ironed out if we are to prevent giant traffic congestion.

The common name for ascorbic acid is:

Osmosis is:

__________ is a temporary holding area for data, application program instructions, and the operating system.

Which of the following is based on exploiting non-renewable natural resources?

If U = {1, 2, 3, . . . 10 } and S = { 2, 4, 6, 8, 10 }, then S ' =

The sharp-tasting compound in vinegar is:

Which of the following is a prime number?

When zinc metal is added to copper sulphate solution the products are copper and zinc sulphate solution, so the material that has been displaced must be:

The Item refer to the information below The following scores were obtained by eleven footballers in a goal-shoot competition:

The median score was

For Mg++ to turn into an atom of magnesium metal it must:

An electron, with its charge of 1.6 × 10^-19 C, is moved from one place at +8 V to a different place which is at 0 V.The energy released will be:

A __________ is a sub-division of a track that stores data on a disk.

The number of kilos in 1 metric tonne is:

The specific heat capacity of a particular liquid is 3000 J kg^-1 K^-1. A large beaker containing 2 kg of the liquid has to be warmed from 25 ℃ to 35 ℃. A 100 W heater is used. If all the thermal energy could be transferred to the liquid, how long would it take?

__________ enables users to convert the image from a fax modem to text and then edit it.

Excretion is best defined as:

The shaded area in the Venn diagram above represents

Why is testing a leaf for starch a reliable indication that photosynthesis has taken place?