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G.K Question and Answer - Chemistry MCQs Set II

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1. Which isotope is used through the radioactive age estimation technique to obtain (determine) the age of rocks?




2. The radio isotope used to control the disease like blood cancer (Leukaemia) is:




3.  Isotones are those which have:




4. The iso electronic of AI+3 is:




5. The element which has same mass number but different atomic number is called:




6. By the emission of which isomers are produced:




7. How many molecules have the methane?




8.  What is the shape of the ethylene molecule?  




9. Which of the following compound is tetrahedral?  




10. Through the fused sodium chloride, electric current can pass out due to the presence of:




11. The higher boiling point of the water occurs due to:




12. The tendency to donate the electron is called:




13.  The tendency to accept the electron is called:




14. The hydrogen burning process is directly associated with:




15.  The rusting of the iron is the example of:




16. In which of the following chlorine has + 1 oxidation number?




17. The element chromium (Cr) has its oxidation number in K2Cr2O7:




18. Mohr salt is:




19. Hydrogen is the most fundamental component of all the acid, it is firstly stated by:




20. In which of the following silver is not to be present?




21. The gaseous law of diffusion was propounded by:




22.  The smoke is the example of:




23. The air is the example of:




24. The alloys are:




25. The milk is the example of:




26. The pH value of any solution is 6 then the hydrogen ion concentration in the solution would be:




27. The element whose oxidation state in its every compound is same:




28. The acid is a substance which:




29. The alkali is a substance which:




30. The substance which makes the blue litmus paper red is :




31. The substance which makes the red litmus paper blue is:




32. The first time pH value measurement is done by:




33. The average pH value of the human blood is:




34.  The average pH value of the milk is:




35. What is the pH value of pure water?




36. Which of the following is called philosopher's wool?




37. The container employed in the process of electrolysis is called:




38. In the process of electrolysis oxidation occurs at:




39.  In the process of electrolysis reduction occurs at :




40. Which of the following is utilized in the form of electrolyte of the dry cell (battery)?




41. The iron container or vessel is galvanized by :




42. The process of corrosiondoesn’t take place in which of the following metals, when these metals are left free in the air:




43. In the galvanic cell, the process takes place is:




44. In the exothermic reaction:




45. In the endothermic reaction:




46. The chemical reactions which occur in one direction (from left to right) are called:




47. The catalyst is a substance through which the rates of chemical reactions are:




48. Who is the inventor of the catalyst?




49. The catalyst employed in the hydrogenation process of the oils is: