what part of the camera corresponds to the iris of the eye?

• A. shutter
• B. film
• C. lens
• D. diaphram

The solution to the problem of double coincidence of wants requires a buyer and seller whose demands are precisely?

• A. competitive
• B. composite
• C. supplementary
• D. complementary

Factorize 2t² + t - 15

• A. (2t - 3)(t + 5)
• B. (t + 3)(2t - 5)
• C. (t + 3)(t - 5)
• D. (2t + 3)(t - 5)

(a) Describe the observation that would be made when-----

i. Sulphur is heated from room temperature till 1190C

ii. 50% trioxonitrate(V) acid acts on copper tunings

(b)i. State two gaseous pollutants that can be generated by burning coal.

ii. What gas is responsible for most of the explosions in coal mines?

iii. The mining of coal leads to environmental pollution. State two environmental effects of the mining activity.

iv. Explain briefly why coal burns more easily when it is in pieces than in lump form

v. Name the non-volitile residue after the destructive distillation of coal

(c)i. Describe a chemical test for water

ii.a. State the effect of boiling a temporary hard water

b. State the effect of adding sodium trioxocarbonate(IV) crystals to permanent hard water

iii. Write an equation for the process of boiling a temporary hard water

Find the length of a chord which subtends an angle of 90° at the centre of a circle whose radius is 8 cm.

• A. 8√3 cm
• B. 4 cm
• C. 8 cm
• D. 8√2 cm

A nation's earnings from tourism are classified as

• A. visible exports
• B. invisible exports
• C. visible imports
• D. invisible imports

'It is made up of a great variety of evergreen trees, with a distinct layer arrangement'. This refers to the

• A. equatorial forest
• B. tropical grassland
• C. temperature grassland
• D. corniferous forest

Once an empty calabash is send out by the Bashorun to an unconstitutional Alaafin on behalf of the Oyomesis, such Alaafin has to ________

• A. Appease to the gods
• B. Commit Suicide
• C. Bend the Knee to Oyomesi
• D. Stay Indoor for 7days

Jesus above the money changers and sellers of doves out of the Temple because

• A. the people defiled it with dubious business
• B. there was no need for animal sacrifice anymore
• C. the people were disobedient to the Law
• D. animals and birds were not allowed in it

Isaiah referred to the leaders of Israel as rulers of Sodom because

• A. Sodom was one of the chief cities of Israel
• B. Sodom was another name for Samaria
• C. the leaders of Israel was chosen mainly from the city of Sodom
• D. the leaders of Israel were leading a people as corrupt as Sodom