JSS 3 Chemistry - 3rd Assessment
- 1. 1. ----------- is a dark complex mixture of solid , liquid and gaseous hydrocarbons.
A) Petroleum
B) Bitumen
C) Diesel
D) Crude oil
- 2. 2. Organic compounds made up of hydrogen and carbons only is called
A) Carbonation
B) Hydrogenation
C) Hydrocarbons
D) Petrochemical
- 3. 3. Intermediate raw materials derived from petroleum that are used in the manufacture of fertilisers , plastics solvents and drugs etc are called ----------
A) Petrochemicals
B) Crude oil
C) Petroleum
D) Carbon black
- 4. 4. The following are examples of petrochemicals are the following except --------
A) Ethylene oxide
B) Petroleum
C) Methanols
D) Diesel
- 5. 5. --------- is defined as the negative logarithm of the hydrogen ion to the base of 10.
A) pH
B) Neutrality
C) Acidity
D) Alkalinity
- 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) Pentyl alcohol
B) Methyl chloride
C) Vaseline
D) Parrafin wax
- 8. 8. --------- is described as a special talent developed by individual naturally.
A) Job acquisition
B) Job
C) Skill
D) Skill acquisition
- 9. 9. _______ is described as the process of learning to perform a task or function and becoming and expert in it.
A) Skill
B) Job acquisition
C) Self- employment
D) Skill 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) Element
B) Compound
C) Mixture
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) Calcium nitrate
B) Ethene
C) Sodium chloride
D) Sodium carbonates
- 14. 14. One of the following is an example of hazardous chemicals:
A) Perfumes
B) Municipal refuse
C) Dynamites
D) Carbondioxide
- 15. 15. The following are non hazardous chemicals except ------
A) Sodium hydroxide
B) Soaps
C) Municipal refuse
D) Biodegradable domestic wastes
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