ThatQuiz Test Library Take this test now
PES SS 2 Chemistry 2nd Term Exam (Obj) 2025/2026
Contributed by: School
  • 1. Solubility is expressed in ______
A) dm3
B) mol/dm3
C) g/mol
D) mol/dm-3
  • 2. A solubility curve shows _____
A) The variation of solubility of a substance with volume
B) The way a solute dissolves
C) The variation of solubility of a substance with temperature
D) How much substance is dissolved
  • 3. Which of the following has two geometric isomers?
A) Butane
B) But-1-yne
C) But-2-yne
D) But-2-ene
  • 4. Geometric isomer is common among ____________
A) Alkynes
B) Alkanols
C) Alkanes
D) Alkenes
  • 5. The molecular formula for glycerol is____
A) C3H5(OH)_3
B) C2H4
C) C3H5(OOCR)_3
D) RCOONa
  • 6. Which of the following is not needed in the laboratory preparation of soap?
A) Salt solution
B) Palm oil
C) Baking soda
D) Distilled water
  • 7. Which of the following is not a type of soap?
A) Hard soap
B) Water soap
C) Toilet soap
D) Transparent soap
  • 8. When soap is added to dirty fabric, _____ penetrate greasy dirt.
A) Hydrophilic heads
B) Hydrophobic tails
C) Soap foam
D) Soap molecules
  • 9. ____ remain suspended in water and are rinsed away while washing.
A) Micelles
B) Soap molecules
C) Hydrophilic heads
D) Hydrophobic tails
  • 10. Detergents are made from ____
A) Baking soda
B) Ashes
C) Dried soaps
D) Petroleum hydrocarbons
  • 11. Which of the following is not a use of soap?
A) Emulsifying oils
B) Bathing
C) Shaving creams
D) Shampoos
  • 12. Which of the following is not a use of detergents?
A) Laundry powders
B) Shampoos
C) Shaving creams
D) Dishwashing liquids
  • 13. The mass of an alpha particles is _________
A) 4 units
B) 1/1840 unit
C) No mass
D) 6 units
  • 14. The electrical charge on beta particles is ________
A) It has no charge.
B) +1
C) -1
D) +2
  • 15. The relative penetration of gamma rays is __________
A) 100
B) 10
C) 10 000
D) 1
  • 16. Half-life shows ____ a radioactive substance decays.
A) If
B) How fast or slow
C) Why
D) How much
  • 17. Which of the following is not a halogen?
A) Iodine
B) Fluorine
C) Chlorine
D) Tin
  • 18. Iodine is a____
A) Reddish brown liquid
B) Greenish yellow gas
C) Pale yellow gas
D) Grey crystalline solid
  • 19. Alkali metals react with oxygen to produce ____
A) Trioxonitrates
B) Oxides, peroxides, superoxides.
C) Hydrogen gas
D) Oxygen gas
  • 20. Which of the following can be used in producing red fireworks?
A) Magnesium
B) Strontium
C) Radium
D) Calcium
  • 21. Alkaline earth metals react with acids to release ___________
A) Carbon dioxide
B) Oxygen gas
C) Hydrogen gas
D) Nitrogen gas
  • 22. Transition elements are ____ elements.
A) s-block
B) d-block
C) f-block
D) p-block
  • 23. The following are examples of transition elements except ____
A) Nickel
B) Cobalt
C) Iron
D) Rubidium
  • 24. The general electronic configuration for transition elements is ___________
A) They do not have electronic configuration
B) (n-1)d1-10ns0-2
C) (n-2)d1-10ns0-1
D) 1s2 2s2
  • 25. The following are oxidation states of chromium except ________
A) +6
B) -2
C) +3
D) +2
  • 26. When metals are extracted from ores, they are not usually ____
A) Pure
B) Solid
C) Much
D) Big
  • 27. Which of the following is most abundant in the universe ( ~70% of universe's mass)?
A) Carbon
B) Hydrogen
C) Nitrogen
D) Oxygen
  • 28. Hydrogen burns in oxygen with a ____ flame to form water.
A) Red
B) Pale blue
C) Orange
D) Pale yellow
  • 29. Which of the following reduces metal oxides to metals?
A) Nitrogen
B) Hydrogen
C) Carbon dioxide
D) Water
  • 30. Which of the following reacts slowly with cold water?
A) Calcium
B) Carbon
C) Nitrogen
D) Hydrogen
  • 31. Alkaline earth metals react with hydrogen to form____
A) Ionic halides
B) Oxygen gas
C) Oxides
D) Hydrogen gas
  • 32. Which of the following is used in making ceramics?
A) Magnesium
B) Aluminium
C) Strontium
D) Barium
  • 33. Which for the following can be used for cancer treatment?
A) Iron
B) Argon
C) Chromium
D) Radium
  • 34. Which of the following can be used in making fertilizers?
A) Argon
B) Iron
C) Calcium
D) Radium
  • 35. Which of the following is used in making building materials?
A) Potassium
B) Calcium
C) Magnesium
D) Argon
  • 36. Unstable atoms are called____
A) Radioisotopes
B) Particles
C) Nuclei
D) Rays
  • 37. Which of the following shows a solubility curve with a sharp break at 36oC?
A) HCl
B) Na2SO4
C) H2SO4
D) NaCl
  • 38. Early detergents contained ____ hydrocarbons.
A) Chained
B) Cyclic
C) Branched
D) Straight
  • 39. Modern detergents are made from____ hydrocarbons.
A) Cyclic
B) Linear
C) Chained
D) Branched
  • 40. Soaps are____ biodegradable.
A) Fully
B) None of the above
C) Not
D) Partly
Students who took this test also took :

Created with That Quiz — where test making and test taking are made easy for math and other subject areas.