ThatQuiz Test Library Take this test now
PES SS 2 Chemistry Test 3 Term 1 2025-26
Contributed by: School
  • 1. Which of the following hydrocarbons is not an alkane?
A) C2H6
B) C3H6
C) C8H18
D) C7H16
  • 2. The organic compound with the formula C5H10 is an example of
A) alkane
B) alkene
C) alkanol
D) alkyne
  • 3. Which of the following is not among the characteristics of the homologous series?
A) Successive members differ in molecular formula by an addition of CH2
B) Members have the same general method of preparation.
C) The physical properties are similar.
D) Members share the same general method of preparation.
  • 4. Which of the following is not among the characteristics of organic compounds?
A) They are generally soluble in non-polar solvents.
B) They are mostly covalent.
C) They are generally soluble in water.
D) Most organic compounds are non-polar.
  • 5. Alkyl group has a general molecular formula shown above. Which of the options is an example of alkyl group?
A) C3H6
B) C4H9
C) C2H6
D) C5H12
  • 6. What is catenation?
A) It is the ability of carbon to form single, double and tripple covalent bonds.
B) It is the ease with which carbon combines with hydrogen, oxygen etc.
C) It is the exceptional ability of carbon atoms to combine with one another.
  • 7. Which of the following is an example of alkanol?
A) C3H7CHO
B) C3H7COOH
C) C3H7OH
D) C3H7COCH3
  • 8. Which of the following gases rekindles a glowing splinter?
A) CO2
B) Cl2
C) O2
D) H2
  • 9. Which of the following is not an acidic oxide?
A) NO2
B) SO2
C) CO2
D) Na2O
  • 10. Which of the following is not a basic oxide?
A) Na2O
B) MgO
C) SO2
D) K2O
  • 11. Which of the following is an example of amphoteric oxide?
A) K2O
B) ZnO
C) CaO
D) Na2O
  • 12. Which of the following is an example of neutral oxide?
A) MgO
B) ZnO
C) CO2
D) CO
  • 13. Which of the following is not a type of oxide?
A) acidic oxide
B) neutral oxide
C) hydrochloric oxide
D) basic oxide
E) amphoteric oxide
  • 14. Oxygen is prepared in the laboratory by thermal decomposition of _____
A) potassium tetraoxosulphate (VI)
B) potassium trioxocarbonate (IV)
C) potassium trioxochlorate (V)
D) potassium trioxonitrate (V)
  • 15. What is the role of MnO2 in the thermal decomposition of KClO3 to produce O2? It serves as _____
A) a reducing agent
B) a dehydrating agent
C) an oxidizing agent
D) a catalyst
  • 16. Oxygen is prepared industrially by _____
A) thermal decomposition of potassium trioxochlorate (V)
B) hydrolysis of liquid air
C) freezing of liquid air
D) fractional distillation of liquid air
  • 17. Which of the following is not a physical property of Oxygen?
A) It turns blue litmus paper red
B) It is slightly soluble in water
C) It is a colourless, odourless and tasteless gas
D) Its atomic number is 8 and mass number is 16
  • 18. Which of the following represents a reaction of Oxygen with metals?
A) N2 + 2O2 --> 2NO2
B) CH4 + 2O2 --> CO2 + 2H2O
C) 4Na + O2 --> 2Na2O
D) C + O2 --> CO2
  • 19. The industrial preparation of hydrogen from from water gas is called _________
A) Bosch Process
B) Haber Process
C) Contact Process
D) Steam Process
  • 20. Which of the following is not a physical property of hydrogen?
A) It is highly inflammable
B) It is colourless, odourless and tasteless
C) It is slightly soluble in water
D) It turns red litmus paper blue
Created with That Quiz — where test making and test taking are made easy for math and other subject areas.