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KCET Chemistry 2025 Most Expected QuestionsKCET Chemistry 2025 Most Expected Questions: The KCET Chemistry 2025 Most Expected Questions are available here for students taking the KCET 2025 exams, which are set for April 15, 16, and 17, 2025. Experts have compiled a list of the most likely questions to be asked because it may be impossible to forecast the exact questions based on past years' question papers. All of the chapters in the Chemistry syllabus, including the first and second PUC Chemistry sections, are covered in these questions. According to the schedule, the Chemistry portions will consist of 60 questions worth one mark each, thus, students are encouraged to adequately prepare for the tests. To improve your preparation, review these frequently asked questions for KCET Chemistry 2025 here.
KCET Chemistry 2025 Most Expected Questions
The list of KCET Chemistry 2025 Most Expected Questions is provided here based on PYQs and 1st and 2nd PUC textbooks:
| Q. No. | Question |
|---|---|
| 1. |
Identify the
incorrect
statement from the following :
(A) Oxides of nitrogen in the atmosphere can cause depletion of the ozone layer (B) Ozone absorbs the intense ultraviolet radiation of Sun (C) Depletion of ozone layer is because of its chemical reactions with chlorofluoro alkanes (D) Ozone absorbs infrared radiation |
| 2. |
Propanone and Propanal are :
(A) Position isomers (B) Functional isomers (C) Chain isomers (D) Geometrical isomers |
| 3. |
Biologically active adrenaline and ephedrine used to increase blood pressure contain :
(A) Primary amino group (B) Secondary amino group (C) Tertiary amino group D) Quaternary ammonium salt |
| 4. |
The female sex hormone which is responsible for the development of secondary female characteristics and
participates in the control of menstrual cycle is: (A) Testosterone (B) Estradiol (C) Insulin (D) Thyroxine |
| 5. |
Which of the following set of polymers are used as fibre?
(i) Teflon (ii) Starch (iii) Terylene (iv) Orlon (A) (i) and (ii) (B) (ii) and (iii) (C) (iii) and (iv) (D) (i) and (iv) |
| 6. |
Which one of the following is a cationic detergent?
(A) Cetyltrimethylammonium bromide (B) Sodium dodecylbenzene sulphonate (C) Dodecylbenzene sulphonic acid (D) Dodecylbenzene |
| 7. |
2-Methyl propane can be prepared by Wurtz reaction. The haloalkanes taken along with metallic sodium and
dry ether are : (A) chloromethane and 2-chloropropane (B) chloroethane and chloromethane (C) chloroethane and 1-chloropropane (D) chloromethane and 1-chloropropane |
| 8. |
Which one of the following properties is generally not applicable to ionic hydrides?
(A) Non-volatile (B) Non-conducting in solid state (C) Crystalline (D) Volatile |
| 9. |
The first chlorinated organic insecticide prepared is :
(A) Gammexane B) Chloroform (C) COCl 2 (D) DDT |
| 10. |
Vapour pressure of a solution containing 18 g of glucose and 178.2 g of water at 100°C is :
(Vapour pressure of pure water at 100°C = 760 torr) (A) 76.0 torr (B) 752.4 torr (C) 7.6 torr (D) 3207.6 torr |
| 11. |
A mixture of phenol and aniline shows negative deviation from Raoult's law. This is due to the formation of:
(A) Polar covalent bond (B) Non-polar covalent bond (C) Intermolecular Hydrogen bond (D) Intramolecular Hydrogen bond |
| 12. |
Identify the
incorrect
statement :
(A) Values of colligative properties of colloidal solution are of small order compared to values of true solution (B) Tyndall effect is observed only when diameter of the dispersed particles is not much smaller than wavelength of incident light (C) Colour of colloidal solution depends on the wavelength of light scattered by the dispersed particles (D) Brownian movement is due to balanced bombardment of molecules of dispersion medium on colloidal particles |
| 13. |
For which one of the following mixtures is composition uniform throughout?
(A) Sand and water (B) Grains and pulses with stone (C) Mixture of oil and water (D) Dilute aqueous solution of sugar |
| 14. |
Which one of the following pairs will show positive deviation from Raoult’s Law?
(A) Water - HCl (B) Benzene - Methanol (C) Water - HNO 3 (D) Acetone - Chloroform |
| 15. |
The transition element (≈5%) present with lanthanoid metal in Misch metal is:
(A) Mg (B) Fe (C) Zn (D) Co |
| 16. |
Which of the following statements related to lanthanoids is incorreect?
(A) Lanthanoids are silvery white soft metals (B) Samarium shows +2 oxidation state (C) Ce + 4 solutions are widely used as oxidising agents in titrimetric analysis (D) Colour of Lanthanoid ion in solution is due to d–d transition |
| 17. |
Select the
correct
statement :
(A) Roasting involves heating the ore in the absence of air (B) Calcination involves heating the ore above its melting point (C) Smelting involves heating the ore with suitable reducing agent and flux below its melting point (D) Calcination of calcium carbonate is endothermic |
| 18. |
NO
2
gas is :
(A) Colourless, neutral (B) Colourless, acidic (C) Brown, acidic (D) Brown, neutral |
| 19. |
The correct decreasing order of boiling point of hydrogen halides is
(A) HF > HCl > HBr > HI (B) HI > HBr > HCl > HF (C) HF > HI > HBr > HCl (D) HI > HF > HBr > HCl |
| 20. |
Gold sol in
not
a :
(A) Macromolecular colloid (B) Lyophobic colloid (C) Multimolecular colloid (D) Negatively charged colloid |
KCET 2025 Most Expected Questions Subject-Wise |
| Subject | Link |
|---|---|
| Physics | KCET Physics 2025 Most Expected Questions |
| Mathematics | KCET Mathematics 2025 Most Expected Questions |
| Biology | KCET Biology 2025 Most Expected Questions |
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