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