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Chemistry - Surface Chemistry

Practise 115 MHTCET previous year questions on Surface Chemistry, compiled from papers spanning 2007 to 2026. Each question is pulled directly from the actual exam paper it appeared in, so you're practising in the exact style and difficulty MHTCET tests.

Surface Chemistry has been asked in 9 of the 17 years of MHTCET papers analysed (2007–2026), with 115 questions in all. 72% of them were easy, 21% moderate and 7% tough. Most of its questions came from 2026, with 23 questions that year. In the last three years (2024–2026) it had 58 questions across 59 papers, about 1 per paper.

The chapter's 8 topics are not weighted equally: Colloids (28 questions, 24%), Properties of colloidal solution (25 questions, 22%), and Adsorption (22 questions, 19%) have been asked the most. Colloids has also led over the last five years, with 22 questions. Properties of colloidal solution has produced the most tough questions (3).

  1. 1Identify the term used to describe movement of colloidal particles under applied electric potential without using semipermeable membrane.20 Apr, 2026 (M)Colloids
  2. 2Which of the following nanomaterials has one dimension nm?20 Apr, 2026 (E)Nanostructures
  3. 3Which of the following properties of colloid is used to measure the rate of migration of sol particles?19 Apr, 2026 (M)Colloids
  4. 4Which of the following ranges of particle size defines nano scale ?19 Apr, 2026 (E)Nanostructures
  5. 5Which of following forces is responsible for physisorption ?19 Apr, 2026 (E)Adsorption
  6. 6Which from following anions has greater power for coagulation of positive sol?18 Apr, 2026 (M)Properties of colloidal solution
  7. 7Which of the following is an example of macromolecular colloid?18 Apr, 2026 (E)Colloids
  8. 8Which from following is NOT an example of oil in water emulsion?17 Apr, 2026 (M)Emulsions and Gels
  9. 9Identify a nanomaterial having all three dimensions less than 100 nm?17 Apr, 2026 (M)Nanostructures
  10. 10Which of the following properties is responsible for the development of colour to the colloids?16 Apr, 2026 (M)Properties of colloidal solution
  11. 11Nano materials not applied in16 Apr, 2026 (M)Nanostructures
  12. 12Match List I with List II List I List II (A). Brownian Motion (I). Removal of impurities from the colloidal sols using a semipermeable membr15 Apr, 2026 (M)Properties of colloidal solution
  13. 13Which of the following nano structures includes nanotubes as an example?15 Apr, 2026 (M)Nanostructures
  14. 14Which of the following exhibits the minimum coagulating power for precipitating of positively charged ferric oxide sol ?15 Apr, 2026 (E)Properties of colloidal solution
  15. 15What is the role of catalyst in catalytic reaction ?15 Apr, 2026 (E)Catalysis and Theories of Catalysis
  16. 16Which of the following is applicable to thin film?15 Apr, 2026 (E)Nanostructures
  17. 17Identify the correct statement regarding lyophilic colloid from the following.13 Apr, 2026 (M)Colloids
  18. 18Which of the following statements is correct for the spontaneous adsorption of a gas?13 Apr, 2026 (M)Adsorption
  19. 19Identify the dimensional nature of nanoparticles by the following.13 Apr, 2026 (M)Nanostructures
  20. 20Which of the following is a water-in-oil type of emulsion?13 Apr, 2026 (E)Emulsions and Gels
  21. 21Which of the following assertions about the extent of physisorption is correct?11 Apr, 2026 (M)Adsorption
  22. 22Identify the gas adsorbed by solid to the largest extent at their respective critical temperature.11 Apr, 2026 (E)Adsorption
  23. 23Which of the following nanomaterial has all the three dimensions nm?11 Apr, 2026 (E)Nanostructures
  24. 24Which of the following is NOT a characterstic of chemisorption?05 May, 2025 (E)Adsorption
  25. 25Identify catalyst used in following reaction.05 May, 2025 (E)Catalysis and Theories of Catalysis
  26. 26Identify the negatively charged sol from following.27 Apr, 2025 (E)Properties of colloidal solution
  27. 27Which from following nanomaterial has all three dimensions less than 100 nm ?27 Apr, 2025 (E)Nanostructures
  28. 28Which among the following gases is least adsorbed on solid at similar conditions of temperature and pressure?26 Apr, 2025 (M)Adsorption
  29. 29Identify the technique used to know binding nature of nanomaterials?26 Apr, 2025 (M)Nanostructures
  30. 30Which instrument is used for determination of particle size?26 Apr, 2025 (E)Nanostructures
  31. 31Find the temperature from following graph so that highest amount of a gas is adsorbed25 Apr, 2025 (M)Adsorption
  32. 32Which from following substances is classified as macromolecular colloid?25 Apr, 2025 (E)Colloids
  33. 33Which from following is classified as multimolecular colloid?23 Apr, 2025 (M)Colloids
  34. 34What type of colloid the fog is ?23 Apr, 2025 (E)Colloids
  35. 35Which from following process does NOT results in coagulation?22 Apr, 2025 (M)Properties of colloidal solution
  36. 36Which of the following ion exihibits maximum power of coagulation for positively charged sol?22 Apr, 2025 (E)Properties of colloidal solution
  37. 37Identify the property of colloidal solutions so that colloidal particles move freely towards respective electrodes under an applied electric21 Apr, 2025 (M)Properties of colloidal solution
  38. 38Which from following represents the Freundlich's empirical equation for adsorption of gas on solid (for )21 Apr, 2025 (E)Adsorption isotherms
  39. 39Identify sequential reactions involved in Sol-Gel process .21 Apr, 2025 (E)Preparation and Purification of colloids
  40. 40Which of the following is not negatively charged sol?20 Apr, 2025 (M)Properties of colloidal solution
  41. 41Which from following gases is adsorbed to greater extent if adsorbent remains same at similar conditions of temperature and pressure?20 Apr, 2025 (E)Adsorption
  42. 42Which of the following is effectively used to remove E. coli bacteria from water?20 Apr, 2025 (E)Adsorption
  43. 43Match column I (process) with column II (application)19 Apr, 2025 (M)Preparation and Purification of colloids
  44. 44Identify example of sorption from following.19 Apr, 2025 (E)Adsorption
  45. 45What is the value of slope in Freundlich adsorption isotherm against ?16 May, 2024 (M)Adsorption isotherms
  46. 46What is the number of electrons present in antibonding orbitals of \( {N}_2\) molecule according to molecular orbital theory?16 May, 2024 (E)Properties of colloidal solution
  47. 47Identify dispersed phase and dispersion medium in fog respectively.15 May, 2024 (M)Colloids
  48. 48Which among the following is an example of emulsion?11 May, 2024 (E)Emulsions and Gels
  49. 49What type of colloid is the soap lather?10 May, 2024 (M)Colloids
  50. 50Which from following statements is NOT true about absorption?10 May, 2024 (E)Adsorption

Frequently Asked Questions

1.How many questions are available for Surface Chemistry?

This chapter includes 115 questions compiled from MHTCET papers spanning 2007 to 2026.

2.Are these questions only from MHTCET, or from other exams too?

These are MHTCET questions specifically for the Surface Chemistry chapter. Questions from other exams like JEE Main or NTA Abhyas (JEE Main) are organised separately under their respective exam sections.

3.Is Surface Chemistry an important chapter for MHTCET Chemistry?

Surface Chemistry has appeared in 9 of the 17 years of MHTCET papers covered here, with 115 questions across 88 papers - about one per paper it appears in.

4.What is the difficulty level of Surface Chemistry questions in MHTCET?

Of the 115 questions analysed for this chapter, 72% are easy, 21% moderate and 7% tough. 2026 had the most, with 23 questions.

5.Which topics in Surface Chemistry should I focus on?

These topics have carried the most weightage in Surface Chemistry:

  • Colloids - 28 questions (24%)
  • Properties of colloidal solution - 25 questions (22%)
  • Adsorption - 22 questions (19%)
  • Properties of colloidal solution has produced the most tough questions (3).
6.Is Surface Chemistry's weightage in MHTCET going up or down?

Across all 88 papers analysed, Surface Chemistry has averaged about 1.3 questions per paper. In the last three years (2024–2026), that average has fallen, at about 1.0 questions per paper. Use the year-wise numbers on this page for the exact trend before you decide how much time to give it.