At tashriq are the days of

• A. buying and selling
• B. visits and caring
• C. singing and dancing
• D. eating and drinking.

Which of these is not a job of the operating system

• A. Stopping unauthorised users accessing files that do not belong to them
• B. Handling HTTP requests for Web pages
• C. Allocating memory to programs that are running on the computer
• D. none of the above

The number of protons or electrons of an atom represents its

• A) electronegativity
• B) period
• C) number of shells
• D) atomic number

From the words lettered A to D below each of the following sentences, choose the word that is nearest in meaning to the underlined word

What you are suggesting is not feasible

• A. capable
• B. practicable
• C. attractive
• D. easy

What is the solubility of a salt if 0.4g of it is obtained on evaporating 200cm³ of its saturated solution to dryness?

• A. 0.08gdm⁻³
• B. 2.00gdm⁻³
• C. 8.00gdm⁻³
• D. 80.00gdm⁻³

In surveying, fixed obstacles are best dealt with by?

• A. avoiding them
• B. using abney level
• C. removing them
• D. laying offsets

An unwise decision of Solomon was the issue of the

• A. building of the palace
• B. building of the temple
• C. felling of timber
• D. forced labour

The sides of a rectangular floor are xm and (x + 7)m. The diagonal is (x + 8)m. Calculate, in metres :

(a) the value of x ;

(b) the area of the floor.

In an electrolysis experiment, the ammeter records a steady current of 1A. The mass of copper deposited is 0.66g in 30 minutes. Calculate the error in the ammeter reading (Electrochemical equivalent of copper = 0.00033g C\(^{-1}\)).

A state is said to be unitary if it

• A. has a rigid constitution
• B. is organized under a single government
• C. is headed by a Prime Minister
• D. is under military rule