- 1. 1. ----------- is a dark complex mixture of solid , liquid and gaseous hydrocarbons.
A) Crude oil B) Petroleum C) Diesel D) Bitumen
- 2. 2. Organic compounds made up of hydrogen and carbons only is called
A) Hydrocarbons B) Petrochemical 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) Crude oil B) Carbon black C) Petrochemicals D) Petroleum
- 4. 4. The following are examples of petrochemicals are the following except --------
A) Ethylene oxide B) Methanols C) Petroleum D) Diesel
- 5. 5. --------- is defined as the negative logarithm of the hydrogen ion to the base of 10.
A) Neutrality B) Alkalinity C) Acidity D) pH
- 6. 6. Calculate the pH of 0.0001M solution of HCL.
A) -3 B) -4 C) 3 D) 4
- 7. 7. One of the following is used as refrigerant.
A) Methyl chloride B) Parrafin wax C) Vaseline D) Pentyl alcohol
- 8. 8. --------- is described as a special talent developed by individual naturally.
A) Skill acquisition B) Job acquisition C) Skill 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) Skill D) Job acquisition
- 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) Chemicals B) Element C) Mixture D) Compound
- 12. 12. The following are examples of organic chemicals except --------
A) Ethene B) Nitrogen C) Methane D) Benzene
- 13. 13. The following are inorganic chemicals except ---------
A) Calcium nitrate B) Sodium carbonates C) Sodium chloride D) Ethene
- 14. 14. One of the following is an example of hazardous chemicals:
A) Carbondioxide B) Municipal refuse C) Perfumes D) Dynamites
- 15. 15. The following are non hazardous chemicals except ------
A) Municipal refuse B) Soaps C) Biodegradable domestic wastes D) Sodium hydroxide
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