A colourless and odourless gas X burns in oxygen with a pale blue flame.

(a) Suggest two gases which X could be.

(b) Give one chemical test that could be used to confirm which of the two gases X is.

In each of this question select the option that best explains the information conveyed in the sentence. The team's poor performance at tournament plumb the depths of horror.

• A. team's performance was enjoyed by all
• B. the team's performance was full of disappointment
• C. team's performance was rewarded
• D. the team's performance took them to the next round

The first person to accept Islam amongst the slaves was ______

• A. Ammar bn Yasir
• B. Anas bu Malik
• C. Bilal bn Rabah
• D. Khalid bu Walid

When a number of thrift societies come together and are registered, they become a?

• A. holding company
• B. credit union
• C. trade union
• D. consumer association

) A mixture of sand and salt can be separated based on the difference in their……

• a) Magnetism
• b) Colour
• c) Solubility
• d) Size

Which of the following parts of the mammalian brain is involved in taking the decision to run rather than walk

• A) cerebellum
• B) medullar oblongata
• C) midbrain
• D) cerebrum

If Bolt runs 100 meters in 10 seconds, what will be his speed per hour?

• A. 10 Km per hour
• B. 3.6 Km per hour
• C. 1 Km per hour
• D. 10.6 Km per hour

An International organisation that influence and fix the price of oil in the International markets is

• A. IMF
• B. ECOWAS
• C. OPEC
• D. OAU

Adoption of clean clearing of land in the tropical rain forest is not advisable because it

• A. encourages erosion arid leaching
• B. is very expensive
• C. is very difficult to practise
• D. eprives the farmer of continous use of wood

To promote the development of agricultural sector, government of West African countries should

• A. encourage rural-urban drift
• B. discourage foreign investment in agriculture
• C. support the marketing of farm produce
• D. reduce tarrif of food imports