JSS 3 Chemistry - 3rd Assessment
  • 1. 1. ----------- is a dark complex mixture of solid , liquid and gaseous hydrocarbons.
A) Petroleum
B) Bitumen
C) Crude oil
D) Diesel
  • 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) Carbon black
B) Petrochemicals
C) Crude oil
D) Petroleum
  • 4. 4. The following are examples of petrochemicals are the following except --------
A) Ethylene oxide
B) Diesel
C) Petroleum
D) Methanols
  • 5. 5. --------- is defined as the negative logarithm of the hydrogen ion to the base of 10.
A) pH
B) Alkalinity
C) Acidity
D) Neutrality
  • 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) Methyl chloride
B) Parrafin wax
C) Vaseline
D) Pentyl alcohol
  • 8. 8. --------- is described as a special talent developed by individual naturally.
A) Skill
B) Job acquisition
C) Skill acquisition
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
B) Skill acquisition
C) Self- employment
D) Job acquisition
  • 10. 10. All are reasons for skill acquisition except ------------
A) To be powerful
B) Job opportunity
C) To stay afloat in a competitive economy
D) Self employment
  • 11. 11. The substances that are made up of the building blocks of nature called atom is known as ---------
A) Element
B) Chemicals
C) Mixture
D) Compound
  • 12. 12. The following are examples of organic chemicals except --------
A) Methane
B) Benzene
C) Ethene
D) Nitrogen
  • 13. 13. The following are inorganic chemicals except ---------
A) Calcium nitrate
B) Sodium chloride
C) Ethene
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) Municipal refuse
B) Sodium hydroxide
C) Soaps
D) Biodegradable domestic wastes
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