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