Which of the following is a characteristic property of acids?

• A. Turn litmus paper blue
• B. Bitter taste
• C. pH value above 7
• D. React with metals to produce hydrogen gas

If \(y = 4x - 1\), list the range of the domain \({-2 \leq x \leq 2}\), where x is an integer.

• A. {-9, -1, 2,3, 4}
• B. {-9, -2, 0, 1, 7}
• C. {-5, -4, -3, -2}
• D. {-9, -5, -1, 3, 7}

The ranking of a consumer’s need in order of importance is termed

• A. An opportunity cost
• B. Economies of scale
• C. A scale of preference
• D. The making of choice

In each of the following sentences, the word that receives the emphatic stress is written in capital letters. From the questions lettered A to D, choose the one to which the given sentence is the appropriate answer. HE is the press photographer.

• A. Is she the press photographer?
• B. Was he the press photographer?
• C. Is he the museum photographer?
• D. Is he the press editor?

Africa has the largest potential reserve of hydro-electric power in the world because

• A. it is surrounded by large oceans
• B. many of the areas are not accessible
• C. it has copious rainfall and many water falls
• D. Africans have not developed the use of hydro-electric

A basic concept of advertising that reveals the essential message an advertiser wishes to communicate is referred to as the

• A. medium
• B. theme
• C. targer
• D. reach

The Quyaysh boycotted Banu Hashim because they

• A. had all accepted Islam
• B. refused to accept Islam
• C. planned to migrate to Yathrib with the Prophet (S.A.W)
• D. protected the Prophet (S.A.W) and refused to surrender him.

The term accounting period is used to refer to the

• A. time span, usually one year covered by the financial statement
• B. period within which debtors are expected to settle accounts
• C. time, span during which taxes are paid to the inland revenue board
• D. budget period, usually one year relied on by the accountant

A flexible constitution is one which is

• A. known to all the citizens
• B. written by the parliament
• C. easily amended
• D. popular with the legislators

What is the electronic configuration of an element represented as¹⁹₉X?

• A. 1s₂2s₂2p₅
• B. 1s₂2s₂3s₂3p₃
• C. 1s₂2s₂2p₃33s₂
• D. 1s₂2s₂2p₆3s₂3p₆4s₁