Chemistry MCQ Quiz Hub

Chemistry MCQ Questions Set-11

Choose a topic to test your knowledge and improve your Chemistry skills

1. Kidney stones are composed of ______.




2. Which among the following is an example of solid sol?




3. During which change is energy absorbed?




4. pH of the human blood is ______.




5. Mass number is always equal to ______.




6. What is the natural source of Oxalic acid?




7. Rust is formed from iron and




8. What is the percentage of oxygen in Al2(SO4)3?




9. Which element has the lowest ionization energy?




10. If we take a small amount of washing soda and add approximately 1 mL of dilute hydrochloric acid to it, what will we observe?




11. Which among the following is an endothermic reaction?




12. Which of the following elements is used for vulcanizing rubber?




13. Which of the following is a Synthetic rubber?




14. What is the value of triple point (solid, liquid and gas) of Water?




15. The passage of an electric current through a conducting liquid causes ___________.




16. What is the general formula for a straight-chain alkane?




17. In case of a standard hydrogen electrode




18. The vast amount of sea weeds present in oceans may produce an endless source of




19. What is a normal pH level in blood?




20. The phosphorus cycle differs from the biogeochemical cycles in that




21. Which compound is a saturated hydrocarbon?




22. Sour taste of lemon is due to the presence of which of the following ?




23. Which one of the following is not a semiconductor?




24. Which of the following inert gases is placed in period 4 of the periodic table?




25. Which of the following is also known as Carbolic Acid?




26. Which process usually requires water?




27. What is the product formed when sodium bicarbonate is heated strongly?




28. Which base is present in lime water?




29. Dobereiner could identify only ......... triads from the elements known at that time.




30. Hydrogenation process is associated with which of the following?




31. Which of the following can be beaten and converted into thin sheets?




32. The hazardous component in most antifreeze is




33. Ozone is an ______ of oxygen.




34. Which molecule is used up in photosynthesis?




35. Elements having same atomic numbers but different mass number are called ______.




36. The most reactive of the following metals is




37. Which base is present in milk of magnesia?




38. The temperature at which a solid melts to become a liquid at the atmospheric pressure is called its ___________.




39. A/an ___ flame is produced when the oxygen supply is sufficient.




40. What is the general formula of alkenes?




41. Barium loses ____ electrons to achieve noble gas electron configuration.




42. Which of the following is not a semiconductor?




43. Which of the following is an inert gas most commonly found in light bulbs?




44. ______ is made by mixing iron with carbon and metals like chromium, nickel and manganese.




45. The conversion of hard water into soft water by boiling or adding calcium hydroxide is called _______.




46. tomic number of which of the following elements is greater than that of Zinc




47. In a compound the elements are always present in definite proportions by




48. Calcium salts used as fertilizer is:




49. Which among the following is white phosphorus?