- 1. 1. ----------- is a dark complex mixture of solid , liquid and gaseous hydrocarbons.
A) Crude oil B) Petroleum C) Bitumen D) Diesel
- 2. 2. Organic compounds made up of hydrogen and carbons only is called
A) Hydrocarbons B) Hydrogenation C) Petrochemical 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) Petrochemicals C) Carbon black D) Petroleum
- 4. 4. The following are examples of petrochemicals are the following except --------
A) Ethylene oxide B) Diesel C) Methanols D) Petroleum
- 5. 5. --------- is defined as the negative logarithm of the hydrogen ion to the base of 10.
A) Acidity B) pH C) Neutrality D) Alkalinity
- 6. 6. Calculate the pH of 0.0001M solution of HCL.
A) -4 B) -3 C) 4 D) 3
- 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) Job D) Skill
- 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) Job acquisition C) Skill D) Self- employment
- 10. 10. All are reasons for skill acquisition except ------------
A) Self employment B) To be powerful C) To stay afloat in a competitive economy 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) Nitrogen B) Benzene C) Ethene D) Methane
- 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) Dynamites B) Carbondioxide C) Municipal refuse D) Perfumes
- 15. 15. The following are non hazardous chemicals except ------
A) Municipal refuse B) Biodegradable domestic wastes C) Sodium hydroxide D) Soaps
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