Raw materials required by green plants to manufacture their food are

• A. mainly fluids
• B. inorganic substances
• C. living materials
• D. mainly gases

Which of the following was not a river flowing from the Garden of Eden?

• A. Gihon
• B. Tigris
• C. Euphrates
• D. Kishon

What is the function of firewall?

• A. Service provider
• B. Cyber security
• C. Internet browser
• D. Storage device

The First Martyr among the apostles was

• A. James
• B. Phillip
• C. Peter
• D. Stephen

Given that \(81\times 2^{2n-2} = K, find \sqrt{K}\)

• A. \(4.5\times 2^{n}\)
• B. \(4.5\times 2^{2n}\)
• C. \(9\times 2^{n-1}\)
• D. \(9\times 2^{2n}\)

(a)(i) State Faraday's first law of electrolysis. (ii) Distinguish between a strong electrolyte and a weak electrolyte

(b) State one chemical property of ethyne.

(c)( i) What is meant by the tern unsaturated hydrocarbon? (ii) Complete the following reaction equation: CH\(_3\) + CH\(_3\)OH-> (iii) Name the major product formed in the cation stated in 1(c)(ii).

(d) State one way by which the rate of esterification could be increased.

(e) Consider the reaction represented by the following equation: Zn + H\(_2\)SO4 → ZnOS\(_4\) + H\(_2\) . If 3.75g of Zn dust was added to excess H\(_2\)SO\(_4\). Calculate the number of molecules of hydrogen gas produced. [ Zn = 65.0, Na = 6.02 X10\(^23\) ].

(f) State one effect of global warming.

(g) Consider the following reaction equation:

A. Pb(NO\(_3\)) +H\(_2\)S --> PbS + 2HNO\(_3\);

B. H\(_2\) + C\(_2\)H\(_4\) → C\(_2\)H\(_6\).

C. Zn(OH)\(_2\) + 2OH → [ Zn(OH)\(_4\) ]\(^2\).

(i) Which of the equations represent(s) redox process? (ii) State the change in Oxidation number of the species that are oxidized or reduced. (h)(i) State two of the main concepts of Bohr's model of the atom. (ii) State the limitations of Bohr's model. (i) List three factors that could influence the equilibrium position of a reversible reaction. (j) Calcium trioxocarbonate(iv) powder is added to separate equimolar solutions of hydrochloric acid and ethanoic acid. State one: (i) similarity in the observation in both reactions: (ii) difference in the observation in both reactions.

The most abundant group of organisms in the animal kingdom?

• A. Mammalia
• B. Aves
• C. Insecta
• D. Annelida

Audu Ltd., a trading company, has just set up a committee to conduct a marketing research for the company.

a. State five reasons that would have necessitated the conduct of the research

b. State five steps the committee would take in carrying out the assignment

The coach has asked the Bright Rangers to be paid their --6-- salaries and --7-- so as to --8-- them to victory against Mamelody Sundowns of South Africa in saturday's all importanat CAF Champions leaque Match. Bright Rangers are the third in group B with four points --9-- many matches and need to --10-- defaet at second - placed Al - Ahly to stay in the --11-- for a place in the semi - final of Africa's most prestigious club competition. The Coach told MTN Football.com that the team would be better motivated if they atleast receive their August salaries before the Al - Ahly --12--. We have to make sure that they are paid their salaries --13-- so that they could play the game of their lives. The government has done very well, but it will be a big morale --14-- to get paid for them to go out there and play. The Coach informed MTN Football.com that the Bright Rangers plan to employ the counter --15-- to get a result in Cario. --10--

• A. aford
• B. afford
• C. avoid
• D. annul

Nationalism ensures the following except

• A. national consciousness
• B. secession in a country
• C. national integration
• D. unity in a country