An example of a crystalline substance that does not possess water of crystallization is

• A. potassium trioxonitrate (V)
• B. sodium tetraoxosulphate (VI).
• C. iron (II) tetraoxosulphate (VI)
• D. sodium trioxocarbonate (IV).

The utternace Alayhs-salam is an an indication that the name of

• A. maryam , mother of jesus has been mentioned
• B. prophet yaqub has been mentioned
• C. prophet muhammed has been mentioned
• D. an orthodox caliph has been mentioned

The effects of environmental degradation caused by human activities can be controlled by e following measures except

• A. reclaiming the land
• B. converting mining pits into fish ponds
• C. resettling indigenous inhabitants
• D. educating people

If the universal set μ = {x : 1 ≤ x ≤ 20} and A = {y : multiple of 3}

B = |z : odd numbers}

Find A ∩ B

• A. {1, 3, 6}
• B. {3, 5, 9, 12}
• C. {3, 9, 15}
• D. {2, 3, 9}

Which of the following statements correctly defines the boiling point of a liquid? The temperature at which the

• A. saturated vapour pressure equals the atmospheric pressure
• B. molecules leaves the liquid at a rate equal to the rate at which they return
• C. molecules leave the liquid at a rate higher than that at which they return
• D. molecules leave the liquid at a rate lower than the rate at which they return

In the 1950s, a man named Joseph McVicker was struggling to keep his business afloat when his sisterin-law Kay Zufall advised him to repurpose the company’s product, a nontoxic, clay-like substance for removing soot from wallpaper, as a modeling putty for kids. In addition, Zufall ______ selling the product under a child-friendly name: Play-Doh. Which choice completes the text so that it conforms to the conventions of Standard English?

• A) suggested
• B) suggests
• C) had suggested
• D) was suggesting

Which of the following pairs of landforms can be found in the desert areas?

• A. Barchans and tombolos
• B. Zeugens and rock pedestals
• C. Sauddoars and tombolos
• D. Yardangs and batholiths

Which of these is not a cause of high population growth in Nigeria?

• A. Improved hygiene
• B. Reduction in death rate
• C. Family planning unit of Nigeria
• D. Increased birth rate

The framework of the body to which modes are attached is called...............

• (a) Marrow
• (b) Head
• (c) Skeleton
• (d) Back

According to John, he who does not believe in the only Son of God is

• A. none His own
• B. cast off as a branch
• C. condemned already
• D. not worthy of the Kingdom