ThatQuiz Test Library Take this test now
PES SS 2 Chemistry (Obj) 3rd Term Exam
Contributed by: School
  • 1. _____ is a yellow, brittle, non-metallic element with atomic number (16) and atomic mass (32.06g/mol).
A) Oxygen
B) Carbon
C) Sulphur
D) Nitrogen
  • 2. The molecular formula of pentene is
A) C4H10
B) C5H10
C) C5H12
D) C6H12
  • 3. ______&______ are allotropes of sulphur.
A) Rhombic & Monoclinic
B) Oxygen & Nitrogen
C) Metal & Steel
D) Alkane & Alkene
  • 4. _______ is a family of organic compounds having the same general molecular formula, common functional group, similar chemical properties and each successive member differs by a -CH2 unit.
A) Hydrocarbons
B) Petroleum
C) Homologous series
D) Organic chemistry
  • 5. The functional group of alcohols is
A) Ester
B) Amino group
C) Hydroxyl group
D) Carbonyl group
  • 6. The gas responsible for acid rain is
A) Nitrogen oxide
B) Carbon dioxide
C) Hydrogen peroxide
D) Sulphur dioxide
  • 7. Which oxide of carbon is poisonous
A) Carbon Dioxide
B) Carbon monoxide
C) Carbon hydroxide
D) Nitrogen oxide
  • 8. Limestone is mainly composed of
A) Calcium chloride
B) Calcium hydroxide
C) Calcium carbonate
D) Calcium oxide
  • 9. Which of the following is a hydrocarbon
A) Ethanoic acid
B) Glucose
C) Methane
D) Ethanol
  • 10. Ammonia is manufactured industrially by the
A) Haber process
B) Frasch process
C) Contact process
D) Solvay process
  • 11. The IUPAC name of CH4 is
A) Propane
B) Methane
C) Ethane
D) Butane
  • 12. Hydrocarbons are compounds containing only
A) Carbon and hydrogen
B) Carbon and oxygen
C) Hydrogen and oxygen
D) Carbon and nitrogen
  • 13. Ethene belongs to the homologous series of
A) Alcohols
B) Alkenes
C) Alkynes
D) Alkanes
  • 14. The functional group of carboxylic acids is
A) -OH
B) -COOH
C) -NH2
D) -CHO
  • 15. Alkanes are
A) Unsaturated hydrocarbons
B) Saturated hydrocarbons
C) Aromatic compounds
D) Alcohols
  • 16. _______ contain more than three -OH groups
A) Monohydric alcohols
B) Dihydric alcohols
C) Trihydric alcohols
D) Polyhydric alcohols
  • 17. Members of the same homologous series have the same
A) Functional group
B) Colour
C) Odour
D) Number of carbon atoms
  • 18. Esters are formed from the reaction between
A) Alcohol and carboxylic acid
B) Alkene and water
C) Alkane and oxygen
D) Acid and alkali
  • 19. Propanone is an example of a
A) Ketone
B) Alcohol
C) Ester
D) Aldehyde
  • 20. The functional group of aldehydes is
A) -OH
B) -COOH
C) -CO
D) -CHO
  • 21. Ethanol belongs to the class of compounds known as
A) Esters
B) Alcohols
C) Phenols
D) Ethers
  • 22. Which reagent is used to identify aldehydes
A) Bromine water
B) Tollen's reagent
C) Dilute HCl
D) Lime water
  • 23. ______ is one of the environmental effects of hydrocarbons
A) Combustion
B) Smog formation
C) Irritation
D) Oxidation
  • 24. The following are physical properties of alcohols except
A) Boiling point
B) Solubility
C) Odour
D) Steam
  • 25. ______ are organic compounds in which two alkyl or aryl groups are bonded to the same oxygen atom.
A) Ethers
B) Aldehydes
C) Esters
D) Ketones
  • 26. Ethanal is an example of
A) Ethers
B) Aldehydes
C) Ketones
D) Phenols
  • 27. ______ are aromatic compounds in which a hydroxyl group (-OH) is directly bonded to a benzene ring.
A) Ketones
B) Phenols
C) Aldehydes
D) Esters
  • 28. ______ is a specific atom or group of atoms that gives a compound its characteristic properties
A) Aryl group
B) Functional group
C) Hydroxyl group
D) Alkyl group
  • 29. One of the following is a physical property of phenols
A) Volatile
B) Weakly acid
C) Odour
D) Pleasant smell
  • 30. Which functional group is represented by -CHO
A) Aldehyde
B) Ketone
C) Ester
D) Ether
  • 31. The IUPAC suffix for ketones is
A) -one
B) -oate
C) -al
D) -ol
  • 32. Hydrocarbons containing only single carbon-carbon bonds are called
A) Alcohols
B) Alkanes
C) Alkenes
D) Alkynes
  • 33. The ability of carbon atoms to form long chains and rings.
A) Sublimation
B) Catenation
C) Polymerization
D) Combustion
  • 34. In a homologous series, each successive members differ by
A) -OH
B) -CH2
C) -CH3
D) -CH4
  • 35. Which of the following is not a natural source of hydrocarbons?
A) Natural gas
B) Coal
C) Crude oil
D) Distilled water
  • 36. The following are uses of sulphuric acid except
A) Petroleum refining
B) Bleaching agent in paper industries
C) Manufacture of fertilizers
D) Production of dyes
  • 37. Ability of carbon atoms to form long chains and rings with itself is
A) Tetravalency
B) Carbonate
C) Isomerism
D) Catenation
  • 38. The following are classification of hydrocarbons except
A) Alkynes
B) Alkanes
C) Alkenes
D) Alcohols
  • 39. ________ serve as raw materials for fertilizers, dyes, plastics, and cleansing agents.
A) Petroleum
B) Industrial chemicals
C) Organic chemistry
D) Hydrocarbons
  • 40. One of the following is a characteristic of organic compounds
A) Smell
B) Colour
C) Odour
D) Solubility
Created with That Quiz — the math test generation site with resources for other subject areas.