MCQOPTIONS
Saved Bookmarks
MCQOPTIONS
This section includes 657 Mcqs, each offering curated multiple-choice questions to sharpen your Testing Subject knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Which of the following is NOT a property of bases?_x005F_x000D_ |
| A. | They react with acids and neutralise them |
| B. | They turn red litmus blue |
| C. | They turn blue litmus red |
| D. | They have bitter taste |
| Answer» D. They have bitter taste | |
| 2. |
Which of the following is NOT a nucleon? |
| A. | Proton |
| B. | Electron |
| C. | Neutron |
| D. | No option is correct |
| Answer» C. Neutron | |
| 3. |
Which of the following is NOT a primary green house gas in the earth's atmosphere? |
| A. | Methane |
| B. | Ozone |
| C. | Nitrous oxide |
| D. | Hydrogen |
| Answer» E. | |
| 4. |
Which of the following is not a nitrogenous fertiliser? |
| A. | Ammonium sulphate |
| B. | Urea |
| C. | Ammonium nitrate |
| D. | Superphospohate |
| Answer» E. | |
| 5. |
Which of the following is not a Halon gas ? |
| A. | methane |
| B. | Carbon tetra chloride |
| C. | iodomethane |
| D. | bromomethane |
| Answer» B. Carbon tetra chloride | |
| 6. |
Which of the following is not a monosaccharide? |
| A. | Fructose |
| B. | Glucose |
| C. | Galactose |
| D. | Sucrose |
| Answer» E. | |
| 7. |
Which of the following is not a constituent of biogas? |
| A. | Carbon dioxide |
| B. | Hydrogen Sulphide |
| C. | Methane |
| D. | Carbon Monoxide |
| Answer» B. Hydrogen Sulphide | |
| 8. |
Which of the following is NOT a compound?_x005F_x000D_ |
| A. | Ammonia |
| B. | Milk |
| C. | Sodiumchloride |
| D. | Chalk |
| Answer» C. Sodiumchloride | |
| 9. |
Which of the following is not a component of Smog? |
| A. | Volatile organic compounds |
| B. | Nitrogen Oxide |
| C. | Sulphur dioxide |
| D. | Chlorine oxide |
| Answer» E. | |
| 10. |
Which of the following is NOT a double displacement reaction?_x005F_x000D_ |
| A. | CuSO4Â +Â H2SÂ --->Â CuSÂ +Â H2SO4 |
| B. | Mg3N2Â +Â 6H2OÂ -->Â 3MgOH2Â +Â 2NH3 |
| C. | BaCl2Â +Â H2SO4Â -->Â BaSO4Â +Â 2HCl |
| D. | NaOH + HCl  --> NaCl + H2O |
| Answer» C. BaCl2Â +Â H2SO4Â -->Â BaSO4Â +Â 2HCl | |
| 11. |
Which of the following is most important for absorption of heat radiated from the Sun as well as from the Earth? |
| A. | Carbon dioxide |
| B. | Oxygen |
| C. | Carbon monoxide |
| D. | Nitrogen |
| Answer» B. Oxygen | |
| 12. |
Which of the following is essential for the synthesis of thyroxin? |
| A. | Potassium |
| B. | Calcium |
| C. | Iodine |
| D. | Sodium |
| Answer» D. Sodium | |
| 13. |
Which of the following is malleable? |
| A. | Ice |
| B. | Gold |
| C. | Stone |
| D. | Pottery |
| Answer» C. Stone | |
| 14. |
Which of the following is not a bleaching agent? |
| A. | Sodium hypochlorite |
| B. | Calcium hypochlorite |
| C. | Hydrogen peroxide |
| D. | Hydrogen sulphide |
| Answer» E. | |
| 15. |
Which of the following is called Aurum? |
| A. | Bronze |
| B. | Gold |
| C. | Silver |
| D. | Copper |
| Answer» C. Silver | |
| 16. |
Which of the following is an unsaturated Hydrocarbon? |
| A. | Butane |
| B. | Pentane |
| C. | Ethyne |
| D. | Propane |
| Answer» D. Propane | |
| 17. |
Which of the following is called 'the King of Chemicals' ? |
| A. | Nitric acid |
| B. | Hydrochloric acid |
| C. | Silver nitrate |
| D. | Sulphuric acid |
| Answer» E. | |
| 18. |
Which of the following is an Organic Molecule? |
| A. | Nitrogen gas |
| B. | Ammonia |
| C. | Fructose |
| D. | Water |
| Answer» D. Water | |
| 19. |
Which of the following is applied on the top of the matchsticks? |
| A. | Red phosphorus |
| B. | White phosphorus |
| C. | Potassium sulphate |
| D. | No option is correct |
| Answer» B. White phosphorus | |
| 20. |
Which of the following is an Inert Gas? |
| A. | Hydrogen |
| B. | Nitrogen |
| C. | Oxygen |
| D. | Argon |
| Answer» E. | |
| 21. |
Which of the following is an example of thermosetting plastic? |
| A. | Bakelite |
| B. | PVC |
| C. | Polyethylene |
| D. | No option is correct. |
| Answer» B. PVC | |
| 22. |
Which of the following is an inert gas most commonly found in light bulbs?_x005F_x000D_ |
| A. | Argon |
| B. | Hydrogen |
| C. | Oxygen |
| D. | Radon |
| Answer» B. Hydrogen | |
| 23. |
Which of the following is an example of compound?_x005F_x000D_ |
| A. | Manganese |
| B. | Air |
| C. | Ozone |
| D. | Ammonia gas |
| Answer» E. | |
| 24. |
Which of the following is an ore of Aluminium? |
| A. | Galena |
| B. | Cryollite |
| C. | Cinnabar |
| D. | Epsom Salt |
| Answer» C. Cinnabar | |
| 25. |
Which of the following is an example of chemical weathering? |
| A. | Oxidation |
| B. | Acid rains |
| C. | Carbonation |
| D. | All the above |
| Answer» E. | |
| 26. |
Which of the following is an element |
| A. | alumina |
| B. | brass |
| C. | graphite |
| D. | silicon |
| Answer» E. | |
| 27. |
Which of the Following is an Amorphous solid? |
| A. | Quartz Glass(Sio2) |
| B. | Chrome Alum |
| C. | Silicon Carbide(SiC) |
| D. | Graphite |
| Answer» B. Chrome Alum | |
| 28. |
Which of the following is an amphoteric oxide? |
| A. | Aluminium oxide |
| B. | Iron oxide |
| C. | Magnesium oxide |
| D. | Carbon dioxide |
| Answer» B. Iron oxide | |
| 29. |
Which of the following is also used as a Bio fertilizer? |
| A. | Urea |
| B. | Ammonia |
| C. | Uric Acid |
| D. | Nitrates |
| Answer» C. Uric Acid | |
| 30. |
Which of the following is added to iron to make iron hard and strong? |
| A. | Zinc |
| B. | Copper |
| C. | Carbon |
| D. | Sodium |
| Answer» D. Sodium | |
| 31. |
Which of the following is also known as Carbolic Acid? |
| A. | Hydroxide |
| B. | Sulphuric Acid |
| C. | Ethanol |
| D. | Phenol |
| Answer» E. | |
| 32. |
Which of the following is a regenerated fibre? |
| A. | Terylene |
| B. | Rayon |
| C. | Nylon |
| D. | Silk |
| Answer» C. Nylon | |
| 33. |
Which of the following is a Synthetic rubber? |
| A. | Leoprene |
| B. | Monoprene |
| C. | Neoprene |
| D. | Isoprene |
| Answer» D. Isoprene | |
| 34. |
Which of the following is a property of sodium hydroxide? |
| A. | It is insoluble in ether and other Non-polar solvents |
| B. | It is slowly soluble in water |
| C. | It has an odor of rotten egg smell |
| D. | All the above |
| Answer» B. It is slowly soluble in water | |
| 35. |
Which of the following is a radioactive element |
| A. | Sulphur |
| B. | Polonium |
| C. | Tellurium |
| D. | Selenium |
| Answer» C. Tellurium | |
| 36. |
Which of the following is a property of an acid?_x005F_x000D_ |
| A. | Acids reacts with metals |
| B. | Acids taste sour |
| C. | Acids turn blue litmus paper red |
| D. | All the above |
| Answer» E. | |
| 37. |
Which of the following is a non metal that remains liquid at room temperature  ? |
| A. | Chlorine |
| B. | Phosphorous |
| C. | Bromine |
| D. | Helium |
| Answer» D. Helium | |
| 38. |
Which of the following is a polymer? |
| A. | Glycerol |
| B. | Amino acid |
| C. | Nucleic acid |
| D. | Fatty acid |
| Answer» D. Fatty acid | |
| 39. |
Which of the following is a natural polymer? |
| A. | Bakelite |
| B. | Nylon |
| C. | Polythene |
| D. | Starch |
| Answer» E. | |
| 40. |
Which of the following is a major function of chloride? |
| A. | Helps maintain gastric acidity |
| B. | Acts as principal intracellular electrolyte |
| C. | Acts as principal intracellular electrolyte |
| D. | All of the above |
| Answer» B. Acts as principal intracellular electrolyte | |
| 41. |
Which of the following is a micro nutrient? |
| A. | Mg |
| B. | Cl |
| C. | P |
| D. | Ca |
| Answer» C. P | |
| 42. |
Which of the following is a metal?_x005F_x000D_ |
| A. | Sulphur |
| B. | Nitrogen |
| C. | Oxygen |
| D. | No option is correct |
| Answer» E. | |
| 43. |
Which of the following is a major component of German silver?_x005F_x000D_ |
| A. | Tin |
| B. | Copper |
| C. | Silver |
| D. | Chlorine |
| Answer» C. Silver | |
| 44. |
Which of the following is a hydrocarbon? |
| A. | C2H6 |
| B. | C3H8 |
| C. | CH4 |
| D. | All of the above |
| Answer» E. | |
| 45. |
Which of the following is a greenhouse gas or a gas, which can deplete the ozone layer? |
| A. | As |
| B. | Kr |
| C. | C4H8 |
| D. | CH4 |
| Answer» E. | |
| 46. |
Which of the following is a greenhouse gas or a gas which can deplete the ozone layer? |
| A. | B2H6 |
| B. | NF3 |
| C. | CCl3F |
| D. | C6H6 |
| Answer» D. C6H6 | |
| 47. |
Which of the following is a correct pair according to increasing atomic number from left to right? |
| A. | He, H |
| B. | Na, Ne |
| C. | Be, B |
| D. | Ca, Cl |
| Answer» D. Ca, Cl | |
| 48. |
Which of the following is a chemical reaction?_x005F_x000D_ |
| A. | Melting of ice |
| B. | Butter turning rancid |
| C. | Sublimation of Iodine crystals |
| D. | Drying of wet clothes |
| Answer» C. Sublimation of Iodine crystals | |
| 49. |
Which of the following is a chemical formula of quicklime? |
| A. | Ca2O |
| B. | Ca2CO3 |
| C. | CaO2 |
| D. | CaO |
| Answer» E. | |
| 50. |
Which of the following is a balanced chemical equation?_x005F_x000D_ |
| A. | 2Mg + O2 → 2MgO |
| B. | Mg + O2 → MgO |
| C. | Na + H2O → NaOH + H2 |
| D. | H2 + O2 → H2O |
| Answer» B. Mg + O2 → MgO | |