JSS 3 Chemistry - 3rd Assessment
- 1. 1. ----------- is a dark complex mixture of solid , liquid and gaseous hydrocarbons.
A) Bitumen
B) Petroleum
C) Crude oil
D) Diesel
- 2. 2. Organic compounds made up of hydrogen and carbons only is called
A) Carbonation
B) Petrochemical
C) Hydrocarbons
D) Hydrogenation
- 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) Carbon black
C) Petroleum
D) Crude oil
- 4. 4. The following are examples of petrochemicals are the following except --------
A) Diesel
B) Petroleum
C) Methanols
D) Ethylene oxide
- 5. 5. --------- is defined as the negative logarithm of the hydrogen ion to the base of 10.
A) Neutrality
B) Acidity
C) Alkalinity
D) pH
- 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) Pentyl alcohol
B) Methyl chloride
C) Vaseline
D) Parrafin wax
- 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) Self- employment
B) Skill acquisition
C) Skill
D) Job acquisition
- 10. 10. All are reasons for skill acquisition except ------------
A) Self employment
B) Job opportunity
C) To stay afloat in a competitive economy
D) To be powerful
- 11. 11. The substances that are made up of the building blocks of nature called atom is known as ---------
A) Mixture
B) Chemicals
C) Element
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) Calcium nitrate
C) Ethene
D) Sodium chloride
- 14. 14. One of the following is an example of hazardous chemicals:
A) Dynamites
B) Perfumes
C) Municipal refuse
D) Carbondioxide
- 15. 15. The following are non hazardous chemicals except ------
A) Biodegradable domestic wastes
B) Soaps
C) Sodium hydroxide
D) Municipal refuse
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