- 1. 1. ----------- is a dark complex mixture of solid , liquid and gaseous hydrocarbons.
A) Petroleum
B) Crude oil
C) Diesel
D) Bitumen
- 2. 2. Organic compounds made up of hydrogen and carbons only is called
A) Petrochemical
B) Hydrogenation
C) Carbonation
D) Hydrocarbons
- 3. 3. Intermediate raw materials derived from petroleum that are used in the manufacture of fertilisers , plastics solvents and drugs etc are called ----------
A) Petroleum
B) Petrochemicals
C) Crude oil
D) Carbon black
- 4. 4. The following are examples of petrochemicals are the following except --------
A) Methanols
B) Ethylene oxide
C) Diesel
D) Petroleum
- 5. 5. --------- is defined as the negative logarithm of the hydrogen ion to the base of 10.
A) Neutrality
B) Alkalinity
C) pH
D) Acidity
- 6. 6. Calculate the pH of 0.0001M solution of HCL.
A) 4
B) 3
C) -3
D) -4
- 7. 7. One of the following is used as refrigerant.
A) Parrafin wax
B) Vaseline
C) Methyl chloride
D) Pentyl alcohol
- 8. 8. --------- is described as a special talent developed by individual naturally.
A) Skill
B) Job acquisition
C) Skill acquisition
D) Job
- 9. 9. _______ is described as the process of learning to perform a task or function and becoming and expert in it.
A) Skill acquisition
B) Self- employment
C) Job acquisition
D) Skill
- 10. 10. All are reasons for skill acquisition except ------------
A) To stay afloat in a competitive economy
B) Job opportunity
C) To be powerful
D) Self employment
- 11. 11. The substances that are made up of the building blocks of nature called atom is known as ---------
A) Element
B) Mixture
C) Compound
D) Chemicals
- 12. 12. The following are examples of organic chemicals except --------
A) Benzene
B) Methane
C) Nitrogen
D) Ethene
- 13. 13. The following are inorganic chemicals except ---------
A) Sodium carbonates
B) Ethene
C) Sodium chloride
D) Calcium nitrate
- 14. 14. One of the following is an example of hazardous chemicals:
A) Perfumes
B) Municipal refuse
C) Carbondioxide
D) Dynamites
- 15. 15. The following are non hazardous chemicals except ------
A) Soaps
B) Biodegradable domestic wastes
C) Sodium hydroxide
D) Municipal refuse
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